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Page 1 of 13
ADDENDUM | No. 2
PROJECT Wastewater Treatment Facility Improvements - 2018
BID DATE 2:00 PM August 14, 2018
BID LOCATION
Finance Officer/Volga City Hall
226 Kasan Avenue, Volga, SD 57071
ISSUE DATE August 10, 2018
NOTICE Failure to acknowledge all addenda in the BID may cause rejection of the BID. See Instructions to Bidders.
SCOPE OF THIS ADDENDUM
The following becomes a part of the original project manual and drawings, taking precedence over the items that may conflict. The bidder shall note receipt and make acknowledgment of the Addendum on his/her bid form, incorporating its provision in his/her bid.
PRIOR APPROVALS
The following manufacturers of the items and materials have been added to the list of approved manufacturers. Listing of an item does not change the requirements of the specifications. Equipment furnished shall meet the materials and performance requirements as specified.
SECTION DESCRIPTION MANUFACTURER
075323 60 mil – Fully Adhered EPDM System GenFlex – GenFlex II EPDM
075323 60 mil – Fully Adhered EPDM System Johns Manville – JM EPDM NR 60 MIL
075323 60 mil – Fully Adhered EPDM System Mule-Hide Products – Standard Black EPDM Membrane
GENERAL
Minutes from the prebid meeting are attached with this addendum.
PROJECT MANUAL
The following additions, changes and clarifications have been made to the Project Manual.
Page 2 of 13
Table of Contents
Add the following after American Iron and Steel Certification (The EEO-7 form was included in the Project Manual, but it was not listed in the Table of Contents)
Notification of Subcontractor Awarded > $10,000 ..................................................... EEO-7
The specification numbers for Division 33 in the Table of Contents are incorrect. Please replace Division 33 in the Table of Contents with the following:
33 1000 Water Utilities 33 3000 Sanitary Sewerage Utilities
Add the following:
40 9113-Automated Refrigerated Wastewater Samplers Section 01 5000 – Temporary Facilities and Controls Delete in its entirety: Section 1.2.G.2.
Replace With:
2. Owner will run temporary primary power from the blower building to the fenceline directly south of the pretreatment building and set a temporary, 120V single-phase transformer. Contractor to provide temporary power pedestal and connect to transformer if temporary power is desired.
Owner will also set a temporary, 120V single-phase transformer south of the UV structure. Contractor to provide temporary power pedestal and connect to transformer if temporary power is desired.
Connect temporary power pedestal to Owner’s temporary transformer or existing power source, as directed by Owner. Meter power usage with Owner provided meter. Owner will not charge Contractor for power usage.
Section 01 7836 – Warranties
The specification section is in the correct location in the Project Manual, however, the page numbers at the bottom of this section refer to it as 01 7550. The page numbers should reflect specification number 01 7836.
Section 03 4100 – Precast Structural Concrete & Section 03 4500 – Precast Architectural Concrete
Clarification: Precast fabricator shall be designated PCI certified (to the group and categories specified) at the time of shop drawing submittal. Use of numbers from a fabricator that is not currently certified is at the Bidder’s risk should certification not be obtained prior to shop drawing submittal. No adjustment in contract price or time will be made if certification is not able to be obtained as planned.
Page 3 of 13
Section 03 4500 – Precast Architectural Concrete,
Delete: Paragraph 1.2.B.4 in its entirety.
Delete: Paragraph 1.2.B.6 in its entirety.
Delete: Paragraph 1.2.B.7 in its entirety.
Section 04 2000 – Unit Masonry,
Delete: Delete Paragraph 1.2.C.2 in its entirety.
Section 07 1200 – Cold Fluid-Applied Waterproofing,
Add: Add new section to the Specifications – Refer to Attached Spec Section 07 1200 for waterproofing of site-
cast foundation walls that extend above floor slabs. This will include all four walls around the Process Area 206 as well as the “dirt” sides of the channel walls within the Process Area 206.
Section 07 1613 – Polymer Modified Cement Waterproofing,
Delete: Delete this specification section in its entirety.
Section 07 2100 – Thermal Insulation,
Delete: Paragraph 1.2.B.2 in its entirety.
Section 07 5323 – Ethylene-Propylene-Diene-Monomer (EPDM) Roofing,
Delete: Paragraph 1.2.B.2 in its entirety.
Section 07 9200 – Joint Sealants,
Delete: Paragraph 1.2.B in its entirety.
Section 08 1116 – Aluminum Doors & Frames,
Change: Paragraph 1.1 SUMMARY, shall read as:
1.1 SUMMARY
A. This Section include the following: 1. Interior and Exterior aluminum manual swing doors and frames. 2. Interior and Exterior aluminum framing for windows.
B. Related Sections include the following:
Page 4 of 13
1. Section 013300 “Submittal Procedures”. 2. Section 079200 “Joint Sealants” for installation of joint sealants installed with aluminum
framed systems. 3. Section 087100 “Door Hardware” for hardware to the extent not specified in this section.
Add: Add paragraph E to Section 2.3 FRAMING SYSTEMS:
E. Window Framing System: Design of aluminum windows is based on Tubelite, Inc.: T-14,000 Series, thermally broken and frame size 2" x”4 ½”.
Add: Add the following paragraphs G & H to Section 2.6 FABRICATION:
G. Window frames shall be furnished pre-assembled. Window assemblies shall be field glazed.
H. Fabricate aluminum windows in sizes indicated on drawings. Include complete system for assembling components and anchoring windows.
Delete: Paragraph 2.7C in its entirety.
Section 08 3613 – Sectional Doors,
Change: Paragraph 1.3.A.1 shall Read as:
1. Wind Loads: a. Basic Wind Speed: 120 mph.
Change: Paragraph 2.2.B.1 shall Read as:
1. Design Wind Loads: 120 mph.
Section 08 7100 – Door Hardware,
Delete: Section 3.6 Door Hardware Sets: Delete in its entirety.
Add: 3.6 Door hardware Sets – Refer to attachment for complete revision to door hardware sets.
Section 12 3450 – Metal Laboratory Casework,
Change: Paragraph 2.3.G, shall read as:
G. Electrical Fittings: To be furnished under Division 26.
Change: Paragraph 2.3.H, shall read as:
H. Emergency Eyewash: To be furnished under Section 22 4000.
Page 5 of 13
Section 31 2000 – Excavation and Fill Change Title to “Section 31 2000 – Excavation and Fill” and update header and footer accordingly.
PART 1 – General Delete in its entirety: Section 1.7
Replace with:
1.7 TESTING AND INSPECTION SERVICE
A. It shall be the responsibility of the Contractor to employ a qualified independent geotechnical engineering testing agency to classify proposed on-site and borrow soils to verify that soils comply with specified requirements and to perform required field and laboratory testing.
B. The following tests are required:
1. Moisture-density (Standard Proctor) and compaction tests.
Section 31 2300 – Trench Excavation and Backfilling PART 1 – General Delete in its entirety: Section 1.5
Replace with:
1.8 TESTING AND INSPECTION SERVICE
A. It shall be the responsibility of the Contractor to employ a qualified independent geotechnical engineering testing agency to classify proposed on-site and borrow soils to verify that soils comply with specified requirements and to perform required field and laboratory testing.
B. The following tests are required:
1. Moisture-density (Standard Proctor) and compaction tests.
Section 33 1000 – Water Utilities
Part 1 – Products Delete in its entirety: Section 2.13 A.3.
Replace with: (the City’s only allows Waterous Pacer hydrants to minimize the number of parts they need to stock)
3. Hydrants shall be:
a. Waterous Pacer
DIVISION 43 – PROCESS GAS AND LIQUID HANDLING, PURIFICATION, AND STORAGE EQUIPMENT
Add: Add Specification Section 43 1117 – Horizontally Split Multi-Stage Centrifugal Blowers
Page 6 of 13
Section 44 2213 – Cranes and Hoists
Part 2 – Product
Clarification:
Bridge crane shall be an under-hung system.
Add 2.1B.1.d and e.
Add:
a. Entire bridge crane system shall be spark resistant. b. Provide end stops on runway beams and bridge beam. End stops to be detailed by bridge crane supplier.
Section 46 2123 – Cylindrical Bar Screen
Part 1 – General
Delete in its entirety: Section 1.6 B
Replace With:
B. Equipment: the equipment furnished under this section shall be free of defects in material and
workmanship, including damages that may be incurred during shipping for a period of two (2) years from the date of start-up.
PART 2 – Products
Delete in its entirety: 2.1 B.1.d
Replace With:
d. Maximum upstream liquid level 24.0 IN
Delete in its entirety: 2.1 B.1.k
Replace With:
k. Minimum Screen Invert to Discharge Height 117.0 IN
Delete in its entirety: 2.1 B.3.a
Replace With:
a. The cylindrical bar screen shall be designed to handle the maximum hydraulic capacity of 3.0
MGD, with the maximum upstream liquid level of 24.0 inches. This maximum upstream liquid depth includes the maximum allowable clean water headloss of 10.0 inches.
Add to the end of 2.1 B.3.g the following:
Page 7 of 13
Systems that do not offer this feature will not be considered for this project.
Add 2.1 B.3.h:
h. Screen designs that define the bar spacing as the distance between a fixed bar element and a moving adjacent rake element (step-type screen) will not be acceptable for this project. Screens using a stationary or rotating perforated plate or wedge wire drums, that are cleaned by a brush or high-pressure wash water will not be acceptable for this project.
Add 2.1.B.3.i:
i. Spray wash water or screw flights with brushes will not be an acceptable method of cleaning the screen.
Add 2.6.E:
E. Designs that utilize a fabricated rake head or that utilize a screw conveyor with a brush to
clean the screen will not be acceptable for this project.
Add 2.6.F:
Add:
F. Fabricated cleaning comb designs will not be acceptable for this project.
Delete in its entirety: Section 2.7.E.
Replace With:
E. The lower end of the screenings conveyor shall be supported by a sealed, self-lubricated lower polymeric composite sleeve bearing with stainless steel wear sleeve. The lower bearing shall not take any thrust load from the screw conveyor. A minimum of two (2) seals shall be provided each with a UHMW polyethylene seal retainer plate. Metallic-based or ceramic-based lower bearing will not be acceptable for this project. The stainless-steel bearing housing shall be field-replaceable and shall be machined in accordance with paragraph 2.4.H. to mate with the screenings collection housing by a bolted connection. The lower bearing housing shall be mated to the screenings collection hopper via a bolted design utilizing a minimum of four (4) stainless steel bolts. Designs in which the bearing housing is welded directly to the screen body will not be acceptable for this project.
Delete in its entirety: Section 2.7.H
Replace With:
Page 8 of 13
H. A compaction zone shall be an integral part of the screenings screw conveyor and transport tube design. The compaction zone shall be designed to form a screenings plug of material and to return water released from the screened material back to the wastewater channel through circular holes that are machined into the screenings transport tube. Compaction zone shall be fabricated from 12 gauge minimum thick stainless steel welded to the screenings transport tube to provide a watertight screenings pressate collection chamber. Compaction zone housing that are non-metallic and which require seals to prevent leakage around the screenings transport tube will not be acceptable for this project. Compaction zone housing shall be furnished with a hinged and gasketed access external cover held in place with a minimum of two (2) stainless steel latches as well as a removable dewatering section panel inside the dewatering chamber that is attached with stainless steel band clamps and hardware to allow direct access to the screw conveyor should the compaction zone ever become plugged. Designs that require removal of the drive assembly, discharge head, wash system manifold, or screw conveyor to gain access to the compaction zone will not be acceptable for this project.
Delete in its entirety: Section 2.7.J
Replace With:
J. The screen minimum invert to discharge height shall be 117-inches.
Delete in its entirety: Section 2.8.A
Replace With:
A. The rake mechanism and transport screw shall be driven by a direct-connected, cycloidal-helical, hollow-shaft, high-thrust, in line speed reducer. The cyclo element of the speed reducer shall be designed to take a 500 percent shock load without damage. The speed reducer manufacturer shall be a member of the AGMA. The speed reducer shall have a minimum torque rating of 15,700 and a minimum thrust rating of 5,800 at the design output shaft speed of the reducer. The speed reducer shall utilize a taper grip bushing to connect to the drive shaft of the screw conveyor. The use of keys and keyways will not be an acceptable connection method for this project.
Delete in its entirety: Section 2.12.E
Delete in its entirety: Section 2.12.F.9
Delete in its entirety: Section 2.12.F.20
Replace With:
20. Electrical enclosure shall be a non-rated electrical enclose.
Page 9 of 13
Delete in its entirety: Section 2.12.G.1.b.
Delete in its entirety: Section 2.12.G.6.
Replace With:
6. Cast aluminum Class 1 Division 1 Group D explosion-proof enclosure.
Delete in its entirety: Section 2.14.B.
Replace With:
B. All stainless steel surfaces shall be cleaned, glass bead blast and chemically passivated to a uniform finish with Citrisurf 2050 and/or 2210. Chemical passivated stainless steel products shall not produce any hazardous wastes during the passivation process. The cylindrical bar screen manufacturer shall clearly identify the passivation procedure methodology and shall certify that no hazardous wastes were produced.
Section 46 6653 – Open-Channel Low-Pressure/High Intensity Ultraviolet Treatment Equipment
Part 2 – Product
Delete in its entirety: Section 2.1.B.1.d
Replace With:
d. Minimum Flow: 0.30 US_MGD
Part 3 – Execution
Add 3.3.B to Section 3.3
Add:
B. Prior to start-up of the equipment, Draft Copies of the Operation and Maintenance Manuals shall be
submitted to the Engineer in accordance with specification section 01 3300 – “Submittal Procedures”. And, at least two (2) hard copies of the Draft O&M Manual shall be provided to the Owner prior to start-up.
1. Maintenance instructions listing routine maintenance procedures, possible breakdowns, and repairs shall be furnished. The instructions shall include simplified diagrams for the system as installed.
Page 10 of 13
DRAWINGS
The following additions, changes and clarifications have been made to the Drawings.
Drawing Sheet 2.1 – Overall Site Plan
Clarification:
Callout stating “Proposed Wetland Piping Improvements (Refer to Sheet 2.9) should instead refer to Sheet
2.10.
Drawing Sheet 2.2-Pretreatment Building Site Plan
Addendum #1 incorrectly stated the following:
Drawing Sheet 2.2-ALT.
Existing Borrow Site Area Alternate,
Add: New Drawing Sheet
Drawing Sheet 2.2 was not intended to be replaced and a new sheet was not provided in Addendum #1.
Drawing Sheet 2.2 is to remain as provided with the plans issued on July 17, 2018. Add the following General Notes to Sheet 2.2. 17. The Contractor will be allowed to remove the fence south of the pretreatment building and the gate/posts at the west entrance to the Wastewater Treatment Facility. These must be carefully removed in such a manner protecting them that they could be reinstalled. Contractor to provide removed material to Owner for salvage. 18. Water main is being installed to the west end of the property as part of another project. Construction is planned for the Fall of 2018. Contractor will be required to coordinate with the other project Contractor to avoid conflicts in accessing the project site during installation of the water main.
Drawing Sheet 2.4 – UV Structure Site and Grading Plan
Delete in its entirety Keynote 3.
Replace With:
3. PROPOSED PCC PAVEMENT ADJACENT TO UV STRUCTURE. REFER TO PREFABRICATED BUILDING
– SLAB DETAIL ON SHEET 2.7.
Drawing Sheet 2.7-Surfacing Details Add the following Label to Sawed Contraction Joint Detail: Sawed joint filled with hot poured elastic joint sealer or other sealer as approved by the Engineer. Delete: THICKENED EDGE PCC PAVEMENT DETAIL.
Page 11 of 13
Add: PREFABRICATED BUILDING - SLAB DETAIL: See Attachment 6: Prefabricated Building – Slab Detail.
Drawing Sheet 2.7-Surfacing Details Add Bollard Detail: See Attachment 7: Bollard Detail
Drawing Sheet 1-5.1 - Pretreatment Building– Architectural Floor Plan
Change:
Note located at concrete apron for Overhead Door # 206D shall change to read as: “Concrete Apron: RE: Civil Drawings.”
Drawing Sheet 1-5.2 - Pretreatment Building– Reflected Ceiling Plan
Add:
Keynote #5 shall be added to Electrical Room 203. Keynote #5 shall be added to Mech/Storage 205.
Drawing Sheet 1-7.2 - Pretreatment – Interior Elevations: Restroom Elevations:
Add:
1. Shower Rod (located between the toilet area and shower area). 2. 24” Vertical Grab Bar (located on south wall above 42” grab bar). 3. “L” Shaped Grab Bar (located in shower on south and west wall).
Drawing Sheet 1-8.1 - Pretreatment – Building Sections: Details 1/1-8.1 & 3/1-8.1
Add:
Note: Apply waterproofing and drainage board to all site-cast foundation walls that extend above floor slabs – this includes all four sides of Process Area 206 as well as all “dirt” sides of channel walls within Process Area 206. Waterproofing shall extend from 6” below grade down to top of footing on perimeter walls and cover entire vertical wall at channels and where wall is not exposed to grade. Perimeter insulation shall remain on walls that require waterproofing.
Page 12 of 13
Drawing Sheet 1-8.2 - Pretreatment – Wall Sections: Details 1/1-8.2 & 2/1-8.2:
Add:
Note: “Apply waterproofing and drainage board to outside of foundation wall – coverage shall extend down to top of footing. “
Drawing Sheet 1-8.3 - Pretreatment – Wall Sections: Detail 1/1-8.3:
Add:
Note: “Apply waterproofing and drainage board to outside of foundation wall – coverage shall extend
from 6” below grade down to top of footing. “
Drawing Sheet 1-11.1 - Pretreatment – Door/Window Schedules and Elevations: Room Finish Schedule
Change:
Note indicated at Room #202: “FRP Ceiling in Shower Area” shall be moved to Room #204.
Drawing Sheet 1-11.1 - Pretreatment – Door/Window Schedules and Elevations: Door Schedule
Change:
Hardware Groups:
Door #201 shall read as 6. Door #203B shall read as 5.
Drawing Sheet 1-11.1 - Pretreatment – Door/Window Schedules and Elevations: Window, Frame & Door Elevations:
Change:
Window Elevations, Frame Elevations & Door Elevations: Scale shall read as ¼” =1’-0”.
Drawing Sheet 1-11.2 - Pretreatment – Door/Window Details:
Change:
All Details shall read as: Scale: ¾” = 1’-0”
Page 13 of 13
NOTE
The Plan Holders List and Addendums are available on our website at http://www.bannerassociates.com by
clicking on View Bid Information / Project Name / Project Information link.
Project Manual and Drawing inquiries regarding the work should be directed to:
CONTACT PERSON(S)
Banner Associates, Inc. Tel 1-605-692-6342 | Toll Free 1-855-323-6342 | Fax 1-605-692-5714
Tanya Miller Project Manager [email protected]
Dennis Rebelein Project Engineer [email protected]
Subconsultant Tel | Fax
Mike Fisher Electrical Engineer [email protected]
Isaac Anderson Mechanical Engineer [email protected]
ATTACHMENTS
1. WPE Addendum No. 2 2. Minutes from Prebid Meeting held on August 7, 2018 3. Specification Section 07 1200 - Cold Fluid-Applied Waterproofing 4. Door Hardware Sets 5. Section 43 1117 – Horizontally Split Multi-Stage Centrifugal Blowers 6. Slab Detail 7. Bollard Detail
____________________________ Tanya Miller, P.E. #8326
4609 S. Techlink Circle Sioux Falls, SD 57106 Ph: (605) 362-3753 Fax (605) 362-3759
SIOUX FALLS
ADDENDUM #2
RAPID CITY, SD SIOUX FALLS, SD BISMARCK, ND CASPER, WY CEDAR RAPIDS, IA
Date: August 10, 2018 To: Tanya Miller Banner Associates, Inc Sioux Falls, SD From: Isaac Anderson/ Mike Fisher WPE#: BS17056 Project: Wastewater Treatment Facility Improvements 2018 Location: Volga, SD
TO: All prime contract bidders and all others to whom Drawings and Specifications have been issued by the Engineer. Acknowledge
receipt of the Addendum by inserting its number and date on the Bid Form. Failure to do so may subject bidder to disqualification. This Addendum forms a part of the Contract Documents. It modifies them as follows:
PRODUCT APPROVALS: The manufacturers and products, which are listed in the following texts, are approved for bidding. Final acceptance is contingent upon receipt and approval of final shop drawings. Manufacturer shall conform to all warranties, performances, size, etc., as the item specified. The burden of proof of the merit of the proposed substitution is upon the proposer. Those items not specifically listed by addendum shall not be approved for bidding.
SECTION DESCRIPTION MANUFACTURER 22 3000 2.3 Plumbing Equipment Carnariis 22 3000 2.4 Plumbing Equipment Rinnai 23 7223 Packaged Air to Air Energy Recovery Units AnnexAire SPECIFICATIONS: All Division 22 and 23 specification sections.
1. Wherever “01 3000 – Administrative Requirements for submittal procedures” is listed replace with “01 3300 – Administrative Requirements for submittal procedures”.
2. Wherever “01 7800 – Closeout Submittals for additional warranty requirements” is listed replace with “01 7700 or 01 7836 – Closeout Submittals for additional warranty requirements”
SECTION 22 0120 1. Delete line 22 0120 1.2 C 2. In line 22 0120 3.3 D delete reference to “Section 15050” SECTION 22 0553 1. Delete line 22 0553 1.2 A.
SECTION 22 0719 1. Delete lines 22 0719 1.2 A and B. 2. In line 22 0719 3.2 I delete “At fire separations, refer to Section 07 8400.” SECTION 22 1005 1. Delete line 22 1005 1.2 A 2. In line 22 1005 3.3 N delete “Refer to Section 22 0523” SECTION 22 3000 2.4 1. Add the following paragraph to this section.
2.4 COMMERCIAL GAS FIRED WATER HEATERS
A. The water heater shall use a commercial grade copper alloy, fin tube primary heat exchanger with quick
release brass or bronze waterways. The secondary heat exchanger shall be constructed from stainless steel
316L. The heater shall be controlled by an onboard solid-state printed circuit board which uses the
following factory installed components: thermistors to monitor inlet & outlet water temperature and exhaust
temperature; a flow sensor to measure flow rate; a flame sensor to monitor combustion; an air-fuel ratio rod
to measure and adjust operation in order to maintain optimal combustion efficiency. The heater also consists
of inline fusing and surge absorbers for electrical surge protection, an electronic spark igniter, aluminized
stainless steel burners, hi-limit temperature switches to monitor water and exhaust temperatures, modulating
gas valve, an overheat cutoff fuse, ceramic heating blocks to protect the heat exchanger and water piping.
The indoor heater shall incorporate auto-fire system for additional freeze protection. The indoor model shall
include an exhaust temperature monitoring system using an exhaust thermistor and automatic hi-limit switch
to maintain safe exhaust temperatures for sch. 40 PVC. The heater shall have a built-in condensate trap for
the secondary heat exchanger.
B. The indoor heater shall be vented with 4” diameter schedule 40 PVC (solid core), CPVC, ABS, polypropylene
or category IV vent pipe with a length not to exceed 100 ft. (equivalent) for 4” vent, terminating horizontally
or vertically. The intake pipe may use material such as PVC, CPVC, ABS, aluminum, or Category IV pipe
and cannot exceed 100 ft. (equivalent) for 4” vent. The indoor heater shall be able to be common vented with
schedule 40 PVC pipe or approved polypropylene vent with a length not to exceed 100 ft. (equivalent) using
up to 10 in. pipe. Proper sizing is provided in the heater’s installation manual. The outdoor heater(s) shall be
constructed with an integral exhaust vent on the front of the heater
C. The heater can manifold up to 4 heaters to provide additional capacity. The controls shall be built onto the
onboard solid-state printed circuit board and does not require external controls. The linking control wire
shall be supplied with the heater. The controller shall rotate the priority heater every 12 hours of operation
time or 100 starts for balanced duty/cycle operation.
D. Accessories: Provide:
1. Water Connections: Brass.
2. Drain Valve.
3. Temperature and Pressure Relief Valve: ASME labelled.
SECTION 23 0120 1. Delete line 23 0120 1.2 C. 2. In line 23 0120 1.7 D replace “16” with “26” 3. In line 23 0120 3.3 D delete “in accordance with Section 15050” SECTION 23 0553 1. Delete line 23 0553 1.2 A SECTION 23 0713
1. Delete line 23 0713 1.2 A SECTION 23 3100 1. Delete line 23 3100 1.2 D. SECTION 23 3423 1. Delete line 23 3423 1.2 A. SECTION 23 3700 1. Delete line 23 3700 1.2 A. 2. In line 23 3700 3.1 E delete “Refer to Section 09 9123”. SECTION 23 5400 1. Delete line 23 5400 1.2 B 2. In line 23 5400 2.5 F replace “16” with “26” SECTION 26 2100 ELECTRICAL SERVICE ENTRANCE 1. Item 2.1 D – Utility will install primary service to transformer. Electrical Contractor to coordinate installation as
required. SECTION 26 0534 CONDUIT 1. Delete item 1.2 G. 2. Delete item 2.2 C 3. Item 3.2 G 15 – reference should be to specification section 08 7100. 4. Delete Item 3.2 J 9. 5. Item 3.2 K 1 shall be changed to ‘1. Provide trenching and backfilling as required.’ SECTION 26 0553 IDENTIFICATION FOR ELECTRICAL SYSTEMS 1. Delete item 1.2 D. 2. Delete item 2.1 D 1 DRAWINGS: SHEET 1-15.2 1. Switch the storm piping and the overflow piping. Piping to keep the same route, the overflow will now be the
storm and the storm will be other overflow. Switch the “ST” piping tag with the “OST” piping tags on this piping, switch notes 25 and 26 at the downspout nozzles, and switch notes 23 and 24 at the roof.
SHEET 1-15.3 1. Revise note number 10 on this sheet to read “NOT USED” SHEET 3-18.2
1. Note 2 shall be added and located next to Note 1 for location of PDC units. 2. Note 3 shall be relocated into the shed and shown as it is located on drawing 3-18.1. 3. One-line diagram clarification: Panelboard H shall be rated at 225A with a 150A main circuit breaker. SHEET 15.4
1. On the plumbing fixture schedule for fixture P-5A replace the “2”” waste connection with “3”” and for plumbing fixture P-7A replace the “2”” vent connection with “1-1/2””
SHEET 15.6 1. In the Air to Air Heat Recovery Schedule in the heater output replace “4800” with “480” SHEET 18.1 Blower and Pretreatment Building One Line Diagram
1. Power conduit from MCC to Pretreatment building shall be 3 ½” to match drawings 2-18.1 and 2-18.2 2. Change name of Blower Room Heater CB to Spare. See added circuit breaker for future use in
addendum 2 for the motor control center schedule. SHEET 18.5 – Panel PL1 (Pretreatment Building) 1. Add description for circuit 20 – “F-1’ 2. Add description for circuit 30,32 – “in Electrical Room” SHEET 18.6 – Motor Control Center Schedule 1. All VFD’s shall have an HMI interface for control of the drives mounted in the door. The HMI should be able to
control settings on the VFD, speed adjustments, monitoring of VFD drive errors, and allow for all adjustments from the screen without the use of a computer. This is in addition to the controls indicated on the drawings.
2. Change Exhaust Fan Label from EF-2 to EF-1 to match MCC elevation front and drawing 2-18.3.
3. Add a 100A Frame circuit breaker with a 20A trip for future use. End of Document
Page 1 of 5
PRE-BID MEETING MINUTES
DATE Tuesday, August 7, 2018 1:30 P.M.
PROJECT Volga Wastewater Treatment Facility Improvements - 2018 BAI No. 22599.00
SUBJECT Pre-Bid Meeting
LOCATION Volga City Hall – Conference Room with Site Visit Afterwards
ATTENDEES
City of Volga – Jon Hauge
Banner Associates – Tanya Miller
See attached attendance roster for additional attendees.
Minutes from the meeting are in red italics.
1) ROSTER SIGN-IN AND INTRODUCTIONS Attendees introduced themselves. The sign in roster is attached at the end of these minutes.
2) SCOPE OF WORK
a) Bid Schedule No. 1 (for all work related to and within 5 feet of Pretreatment Building and Blower Building
– this work will be classified under Davis-Bacon Wage Requirements for Building)
i) Construct new wastewater Pretreatment Building with screen and washer/compactor equipment as
well as a lab, restroom and office area
ii) Improvements to existing Blower Building, including new blower motors and new roof
iii) Mechanical work at Pretreatment Building and Blower Building
iv) Electrical work at Pretreatment Building and Blower Building
b) Bid Schedule No. 2 (for all remaining work required to complete the project – this work will be classified
under Davis-Bacon Wage Requirements for Heavy Highway)
i) Construct new structure for UV disinfection system, and provide and install new UV disinfection
equipment
ii) Electrical work at UV Structure
iii) Improvements to the wetland inlet piping
iv) Site grading and utilities
c) Process Integration Fixed Priced Package:
d) Total Lump Sum Bid Price (Includes Schedule 1, Schedule 2, and Process Integration Fixed Priced
Package)
Page 2 of 5
3) DELIVERY OF BID
a) Bids will be received by the City of Volga, SD until 2:00 p.m. local time, August 14, 2018. Bids shall be delivered
to Ashley Rentsch, Finance Officer at the Volga City Halls, 226 Kasan Avenue, Volga, SD 57071.
b) Opening of Bids: Bids will be opened and read aloud at the Volga City Hall.
c) Bid Documents consist of:
i) Bid Form;
ii) Required Bid security in in accordance with Article 8 of the Instructions to Bidders;
iii) List of proposed Subcontractors and Suppliers;
iv) DBE Subcontractors Solicitation Information DBE-6;
v) Form 6100-3 – DBE Subcontractor Performance Form
vi) Form 6100-4 – DBE Subcontractor Utilization Form
vii) Certification Regarding Debarment, Suspension, and Other Responsibility Matters;
viii) American Iron and Steel Certification.
d) Bid Completeness Requirements:
i) Acknowledgement of Addenda on Bid Form.
ii) Fill in the Bid amounts for the items in the project taking into account Bid Schedule 1, Bid Schedule
2, Process Integration Fixed Priced Package, and overall Lump Sum Price
iii) Complete bidder information as requested.
iv) Sign and Attest the bid.
e) The following forms must be submitted by the apparent low-bidder within ten calendar days of the bid
opening:
i) EEO-7 – Notification of Subcontractor Awarded > $10,000
ii) C-451 Bidder’s Statement of Qualifications
4) PROJECT DEADLINES
a) Substantial Completion – December 1, 2019.
b) Final Completion – January 1, 2020.
5) PROJECT ADDENDA
a) Clarifications in response to questions about the technical specifications.
b) Prior approval listings for equipment listed in specs as “or equal” or “or Engineer approved equal.”
c) Addendum #1 was issued on August 3, 2018.
Page 3 of 5
d) List of planholders is provided at Banner website – View Bid Information link (See www.bannerassociates.com
website).
e) Names of contacts for questions – see end of pre-bid agenda. The engineers on the project and their contact
information is summarized at the end of these minutes.
f) An addendum will be sent out around August 9, 2018 that includes minutes from this meeting.
g) A third addenda may or may not be sent out.
6) CONTRACT DOCUMENTS AND REQUIREMENTS
a) Listed in Agreement
b) Contract includes Plans, Specifications and Reference Documents
7) FUNDING AND ASSOCIATED REQUIREMENTS
a) SD DENR requirements for State Revolving Fund Loan.
i) Contract Goals - 1% DBE/MBE Firms, 4% WBE Firms (Documentation of Effort is required, include
form with bid).
ii) Workforce Goals for minority utilization is 0.8% and for female utilization is 6.9%.
iii) Davis-Bacon and related acts provisions apply to this project. All provisions relative to those acts
must be met.
(1) Building for Bid Schedule 1
(2) Heavy Highway for Bid Schedule 2
iv) Compliance with the American Iron and Steel provision of the Consolidated Appropriations Act of
2014.
8) CONTRACTOR'S LIABILITY INSURANCE
a) Amounts are listed in C-800 Supplementary Conditions, Paragraph SC.6.03.
9) CONSTRUCTION SEQUENCING
a) Refer to Section 01 0000 – General Requirements Part 4.1 of the Project Manual.
i) Volga Wastewater Treatment Facility (WWTF) shall remain in operation and the Contractor
shall make every effort to prevent treatment process disruptions during construction.
ii) The Contractor will be required to maintain one blower in operation throughout the project.
iii) The Contractor may need to provide temporary bypass pumping while making connections to
the piping that will convey flow through the new pretreatment building and UV structure.
Page 4 of 5
10) OWNER COMMENTS
None.
11) CONTRACTOR/VENDOR COMMENTS OR QUESTIONS
a) A Contractor had questions on the thickness of the slab south of the UV structure and the means of
anchoring the Owner provided shed to the slab. These items will be clarified in Addendum #2.
12) SITE VISIT: WWTF SITE Pretreatment Building site:
• The contractor will be able to use the area within the construction limits for storage and staging.
An attendee asked if the existing fence, south of the area where the Pretreatment Building will be
constructed, and the gate could be removed. The Contractor will be allowed to remove the fence
south of the pretreatment building and the gate/posts at the west entrance to the Wastewater
Treatment Facility. These must be carefully removed, protecting them in such a manner that they
could be reinstalled. Contractor to provide removed material to Owner for salvage.
• Water service will be brought to the west property line of the Wastewater Treatment Facility in the
Fall of 2018 as part of another project. The Contractor will be required to coordinate with the other
project’s Contractor to avoid conflicts in accessing the project site during installation of the water
main.
13) OTHER ITEMS Contractors were advised to note the requirements for accessing the site on Sheet 1.4 and 2.1. On Sheet
1.4 “General Notes”, it states that the Contractor is to access the site using the entrance from US Hwy. 14.
The City does plow snow along this access road during the winter months. The City has an easement across
property owned by the South Dakota Soybean Processors (SDSP) just west of the pretreatment building
project site. Upon request from SDSP, equipment/material will be allowed to access the site via the access
west of the Pretreatment Building. Coordination with SDSP is required for deliveries via this easement.
14) CONTACT PERSONS
BANNER ASSOCIATES, INC.
Tanya Miller (General), Neil Eichstadt (Civil), Dennis Rebelein (Process Control and Instrumentation &
Controls), and Adam Hanson (Structural)
Phone - (605) 692-6342
Toll Free – (855) 323-6342
Email – [email protected]
WEST PLAINS ENGINEERING, INC.
Page 5 of 5
Mike Fisher (Electrical), Isaac Anderson (Mechanical)
Phone- (605) 362-3753
Email – [email protected]
PREPARED BY Tanya Miller/Project Manager
WASTEWATER TREATMENT FACILITY IMPROVEMENTS – 2018
VOLGA, SOUTH DAKOTA
SECTION 07 1200 – COLD FLUID-APPLIED WATERPROOFING
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#22599.00.00 07 1200-1 Addendum No. 2 - 8/10/2018
SECTION 07 1200 - COLD FLUID-APPLIED WATERPROOFING
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Single-component polyurethane waterproofing for Worthington Pump Station.
2. Molded-sheet drainage panels for Worthington Pump Station.
1.2 SUBMITTALS
A. Product Data: For each type of product indicated. Include manufacturer's written instructions for
evaluating, preparing, and treating substrate, technical data, and tested physical and performance
properties of waterproofing.
B. Shop Drawings: Show locations and extent of waterproofing. Include details for substrate joints and
cracks, sheet flashings, penetrations, inside and outside corners, tie-ins with adjoining waterproofing, and
other termination conditions.
C. Details showing installations of drainage panels and any special conditions.
D. Samples: For the following products:
1. Flashing sheet, 10 by 8 inches (250 by 200 mm).
2. Drainage panel, 4 by 4 inches (100 by 100 mm).
E. Qualification Data: For Installer.
F. Product Test Reports: For waterproofing, based on evaluation of comprehensive tests performed by a
qualified testing agency.
G. Warranty: Sample of special warranty.
H. Manufacturer’s written approval of substrate.
1.3 QUALITY ASSURANCE
A. Installer Qualifications: A firm that is approved or licensed by waterproofing manufacturer for
installation of waterproofing required for this Project provide written documentation.
B. Manufacturer’s authorized representative shall review substrate preparation and provide written approval
of substrate prior to installation of product.
1.4 DELIVERY, STORAGE, AND HANDLING
WASTEWATER TREATMENT FACILITY IMPROVEMENTS – 2018
VOLGA, SOUTH DAKOTA
SECTION 07 1200 – COLD FLUID-APPLIED WATERPROOFING
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#22599.00.00 07 1200-2 Addendum No. 2 - 8/10/2018
A. Deliver liquid materials to Project site in original containers with seals unbroken, labeled with
manufacturer's name, product brand name and type, date of manufacture, shelf life, and directions for
storing and mixing with other components.
B. Store liquid materials in their original undamaged containers in a clean, dry, protected location and within
the temperature range required by waterproofing manufacturer.
C. Remove and replace liquid materials that cannot be applied within their stated shelf life.
D. Protect stored materials from direct sunlight.
1.5 PROJECT CONDITIONS
A. Environmental Limitations: Apply waterproofing within the range of ambient and substrate temperatures
recommended by waterproofing manufacturer. Do not apply waterproofing to a damp or wet substrate,
when relative humidity exceeds 85 percent, or when temperatures are less than 5 deg F (3 deg C) above
dew point.
1. Do not apply waterproofing in snow, rain, fog or mist, or when such weather conditions are
imminent during application and curing period.
B. Maintain adequate ventilation during application and curing of waterproofing materials.
1.6 WARRANTY
A. Special Manufacturer's Warranty: Manufacturer's standard form in which waterproofing
manufacturer and Installer agree to repair or replace waterproofing that does not comply with
requirements or that fails to remain watertight within specified warranty period.
1. Warranty does not include failure of waterproofing due to failure of substrate prepared and treated
according to requirements or formation of new joints and cracks in substrate that exceed 1/16 inch
(1.6 mm) in width.
2. Warranty Period: Five years from date of Substantial Completion.
PART 2 - PRODUCTS
2.1 SINGLE-COMPONENT POLYURETHANE WATERPROOFING
A. Single-Component, Modified Polyurethane Waterproofing: Comply with ASTM C 836 and with
manufacturer's written physical requirements.
1. Products: Subject to compliance with requirements, available products that may be incorporated
into the Work include, but are not limited to, the following:
a. Carlisle Coatings & Waterproofing Inc.; Liquiseal CCS-703.
b. Tremco Incorporated; Tremproof 201/60.
WASTEWATER TREATMENT FACILITY IMPROVEMENTS – 2018
VOLGA, SOUTH DAKOTA
SECTION 07 1200 – COLD FLUID-APPLIED WATERPROOFING
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#22599.00.00 07 1200-3 Addendum No. 2 - 8/10/2018
2.2 AUXILIARY MATERIALS
A. General: Provide auxiliary materials recommended by manufacturer to be compatible with one another
and with waterproofing, as demonstrated by waterproofing manufacturer, based on testing and field
experience.
B. Primer: Manufacturer's standard, factory-formulated polyurethane or epoxy primer.
C. Sheet Flashing: 50-mil- (1.3-mm-) minimum, non-staining, uncured sheet neoprene.
1. Adhesive: Manufacturer's recommended contact adhesive.
D. Joint Reinforcing Strip: Manufacturer's recommended fiberglass mesh or polyester fabric.
E. Joint Sealant: Multicomponent polyurethane sealant, compatible with waterproofing, complying with
ASTM C 920 Type M, Class 25; Grade NS for sloping and vertical applications; Use NT exposure; and
as recommended by manufacturer for substrate and joint conditions.
1. Backer Rod: Closed-cell polyethylene foam.
2.3 MOLDED-SHEET DRAINAGE PANELS
A. Drainage Panel:
1. HDPE core with non woven geotextile bonded to core.
2. Minimum flow rate per ASTM D4716: 140 GAL/FT2.
3. Geotextile:
a. Grab strength per ASTM D4632: Minimum 100 LBS.
b. Puncture Strength per ASTM D4833: Minimum 65 LBS.
c. Apparent Opening size per ASTM D4751: Less than #70 U.S. standard sieve.
d. Similar to Mirafi 140N.
4. Similar to Mirafi G100N.
B. Accessory Items:
1. Provide accessory items as required for proper installation of Drainage Panel.
2. Refer to Manufacturer for proper installation requirements.
C. Subject to compliance with the Contract Documents, the following manufacturers are acceptable:
1. Drainage Panels:
a. Ten Cate, Mirafi G100N – G Series Drainage Composite.
b. Carlisle Coatings and Waterproofing – CCW Miradrain and Quick Drain System.
PART 3 - EXECUTION
WASTEWATER TREATMENT FACILITY IMPROVEMENTS – 2018
VOLGA, SOUTH DAKOTA
SECTION 07 1200 – COLD FLUID-APPLIED WATERPROOFING
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#22599.00.00 07 1200-4 Addendum No. 2 - 8/10/2018
3.1 EXAMINATION
A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements and
other conditions affecting performance.
1. Verify that concrete has cured and aged for minimum time period recommended by waterproofing
manufacturer.
2. Verify that substrate is visibly dry and free of moisture. Test for capillary moisture by plastic
sheet method according to ASTM D 4263.
3. Proceed with installation only after unsatisfactory conditions have been corrected.
3.2 SURFACE PREPARATION
A. Clean and prepare substrate according to manufacturer's written recommendations. Provide clean, dust-
free, and dry substrate for waterproofing application.
B. Mask off adjoining surfaces not receiving waterproofing to prevent spillage or overspray affecting other
construction.
C. Remove grease, oil, bitumen, form-release agents, paints, curing compounds, acid residues, and other
penetrating contaminants or film-forming coatings from concrete.
1. Abrasive blast clean concrete surfaces uniformly to expose top surface of fine aggregate according
to ASTM D 4259 with a self-contained, recirculating, blast-cleaning apparatus. Remove material
to provide a sound surface free of laitance, glaze, efflorescence, curing compounds, concrete
hardeners, or form-release agents. Remove remaining loose material and clean surfaces according
to ASTM D 4258.
D. Remove fins, ridges, and other projections and fill honeycomb, aggregate pockets, and other voids.
3.3 PREPARATION AT TERMINATIONS AND PENETRATIONS
A. Prepare vertical and horizontal surfaces at terminations and penetrations through waterproofing and at
expansion joints, drains, and sleeves according to ASTM C 898 and manufacturer's written instructions.
B. Prime substrate unless otherwise instructed by waterproofing manufacturer.
C. Apply waterproofing in two separate applications, and embed a joint reinforcing strip in the first
preparation coat when recommended by waterproofing manufacturer.
3.4 JOINT AND CRACK TREATMENT
A. Prepare, treat, rout, and fill joints and cracks in substrate according to ASTM C 898 and waterproofing
manufacturer's written instructions. Remove dust and dirt from joints and cracks, complying with
ASTM D 4258, before coating surfaces.
1. Comply with ASTM C 1193 for joint-sealant installation.
2. Apply bond breaker between sealant and preparation strip.
WASTEWATER TREATMENT FACILITY IMPROVEMENTS – 2018
VOLGA, SOUTH DAKOTA
SECTION 07 1200 – COLD FLUID-APPLIED WATERPROOFING
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#22599.00.00 07 1200-5 Addendum No. 2 - 8/10/2018
3. Prime substrate and apply a single thickness of preparation strip extending a minimum of 3 inches
(75 mm) along each side of joint. Apply waterproofing in two separate applications and embed a
joint reinforcing strip in the first preparation coat.
B. Install sheet flashing and bond to deck and wall substrates where indicated or required according to
waterproofing manufacturer's written instructions.
1. Extend sheet flashings onto perpendicular surfaces and other work penetrating substrate according
to ASTM C 898.
3.5 WATERPROOFING APPLICATION
A. Apply waterproofing according to ASTM C 898 and manufacturer's written instructions.
B. Start installing waterproofing in presence of manufacturer's technical representative.
C. Apply primer over prepared substrate.
3.6 MOLDED-SHEET DRAINAGE PANEL INSTALLATION
A. Install products in accordance with manufacturer’s instructions.
B. Coordinate installation of drainage panel with associated systems:
1. Fluid applied waterproofing.
C. Backfilling:
1. Place backfill immediately, exercise ease so as to not damage panels.
a. Replace damaged panels before proceeding with backfilling operation.
2. Provide minimum 6 IN earth cover above top edge of drain board.
3. Coordinate backfilling with Division 31 Specifications.
3.7 CURING, PROTECTION, AND CLEANING
A. Cure waterproofing according to manufacturer's written recommendations, taking care to prevent
contamination and damage during application stages and curing.
B. Protect waterproofing from damage and wear during remainder of construction period.
C. Clean spillage and soiling from adjacent construction using cleaning agents and procedures recommended
by manufacturer of affected construction.
END OF SECTION 071200
WASTEWATER TREATMENT FACILITY IMPROVEMENTS - 2018
VOLGA, SOUTH DAKOTA
SECTION 08 7100 - DOOR HARDWARE
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#21455.00.01 08 7100-1 8/10/2018
3.6 DOOR HARDWARE SETS
Hardware Set 1: Door # 100, 200, 202, 203A, 206A & 206B
Each to Receive: 3 EA HINGE T4A3386 4.5 X 4.5 US32D MC KINNEY MFG. 1 EA EXIT DEVICE 11-64-CPC 8913xETL US32D SARGENT (6300 Core) 1 EA RIM CYLINDER 63 Series US32D SARGENT 1 EA HD OHS 90H US32D GLYNN-JOHNSON 1 EA CLOSER P7500SS 689 NORTON 1 EA KICK PLATE 10x34xUS32D US32D BURNS MFG INC
1 EA THRESHOLD 425HD-36” - SIA ALUM NATIONAL GUARD
1 EA SWEEP 200NA-36” ALUM NATIONAL GUARD
1 EA WEATHERSTRIP Continuous around entire door
Hardware Set 2: Door # 206C Each to Receive: 6 EA HINGE T4A3386 4.5 X 4.5 US32D MC KINNEY MFG. 1 EA EXIT DEVICE 11-64-CPC 8913xETL US32D SARGENT (6300 Core) 1 EA RIM CYLINDER 6300 (Removable core) US32D SARGENT 2 EA HD OHS 90H US32D GLYNN-JOHNSON 1 EA CLOSER P7500SS 689 NORTON 2 EA SURFACE BOLT 580-8 US32D ROCKWOOD
(top and bottom of in-active door)
1 EA ASTRAGAL 158NA US32D NATIONAL GUARD
2 EA KICK PLATE 10x34xUS32D US32D BURNS MFG INC
1 EA THRESHOLD 425HD-72" - SIA ALUM NATIONAL GUARD
2 EA SWEEP 200NA-36” ALUM NATIONAL GUARD
1 EA WEATHERSTRIP Continuous around entire door perimeter
Hardware Set 3: Door # 204 Each to Receive: 3 EA HINGE T4A3386 4.5 X 4.5 US32D MC KINNEY MFG. 1 EA LOCK 11U65 T-Zone Extra HDxLL 630 SARGENT 1 EA HD OHS 90S US32D GLYNN-JOHNSON 1 EA CLOSER P7500SS 689 NORTON
1 EA KICK PLATE 10x34xUS32D US32D BURNS MFG INC
1 EA SWEEP 601A 628/US28 NATIONAL GUARD
WASTEWATER TREATMENT FACILITY IMPROVEMENTS - 2018
VOLGA, SOUTH DAKOTA
SECTION 08 7100 - DOOR HARDWARE
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#21455.00.01 08 7100-2 8/10/2018
Hardware Set 4: Door # 100A & 205 Each to Receive: 3 EA HINGE T4A3386 4.5 X 4.5 US32D MC KINNEY MFG. 1 EA LOCK 11U15 T-Zone Extra HDxLL 630 SARGENT 1 EA HD OHS 90H US32D GLYNN-JOHNSON 1 EA CLOSER P7500SS 689 NORTON
1 EA KICK PLATE 10x34xUS32D US32D BURNS MFG INC
1 EA SWEEP 601A 628/US28 NATIONAL GUARD
Hardware Set 5: Door # 203B Each to Receive: 3 EA HINGE T4A3386 4.5 X 4.5 US32D MC KINNEY MFG. 1 EA EXIT DEVICE CPC 8815xETL US32D SARGENT 1 EA HD OHS 90H US32D GLYNN-JOHNSON 1 EA CLOSER P7500SS 689 NORTON
1 EA KICK PLATE 10x34xUS32D US32D BURNS MFG INC
1 EA SWEEP 601A 628/US28 NATIONAL GUARD
Hardware Set 6: Door # 201 Each to Receive: 3 EA HINGE T4A3386 4.5 X 4.5 US32D MC KINNEY MFG. 1 EA LOCK 11U24 T-Zone Extra HDxLL 630 SARGENT 1 EA HD OHS 90H US32D GLYNN-JOHNSON 1 EA CLOSER P7500SS 689 NORTON
1 EA KICK PLATE 10x34xUS32D US32D BURNS MFG INC
1 EA SWEEP 601A 628/US28 NATIONAL GUARD
Note: 1. Construction Cores shall be provided during construction and replaced with permanent cores by gen-eral contractor upon Substantial Completion.
2. Both buildings will be keyed alike, coordinate masterkeying system with Owner. END OF SECTION 08 7100
VOLGA WASTEWATER TREATMENT FACILITY IMPROVEMENTS - 2018
VOLGA, SOUTH DAKOTA
SECTION 43 1117 – HORIZONTALLY SPLIT MULTISTAGE CENTRIFUGAL BLOWERS
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#22599.00.00 43 1117-1 8/10/2018
SECTION 43 1117 – HORIZONTALLY SPLIT MULTISTAGE CENTRIFUGAL BLOWERS
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and
Division 1 Specification Sections, apply to this Section.
1.2 SUMMARY
A. Related Sections include the following:
1. Refer to Division 26 of the Electrical Specifications and Electrical Drawings for work specified
elsewhere.
1.3 DESCRIPTION
A. This section of the Specifications includes motors, appurtenant equipment, and all work incidental thereto,
as specified herein.
1.4 SHOP DRAWINGS
A. Shop drawings shall be submitted in accordance with specification section 01 3300 - “Submittal
Procedures” for the following items:
1. Blower motors and equipment including instrumentation and control items, all appurtenant
accessories and equipment including design data, design calculations by a registered engineer,
detailed shop drawings including dimensions, details, and materials of construction.
B. O&M Manuals: O&M Manuals shall be prepared in accordance with specification sections 01 3300 –
“Submittal Procedures” and 01 7823 – “Operation and Maintenance Data”.
C. Shop Drawings shall include the following:
1. Complete description in sufficient detail to permit an item comparison with specification.
2. Complete dimensioned assembly and installation drawings.
3. Electrical Schematics and layouts.
4. Experience Documentation
5. Motor Performance Guarantee
6. Manufacturer’s warranty
VOLGA WASTEWATER TREATMENT FACILITY IMPROVEMENTS - 2018
VOLGA, SOUTH DAKOTA
SECTION 43 1117 – HORIZONTALLY SPLIT MULTISTAGE CENTRIFUGAL BLOWERS
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#22599.00.00 43 1117-2 8/10/2018
PART 2 - MATERIALS
2.1 GENERAL
A. Motors complete with base, coupling, necessary guards and all other specified accessories and
appurtenances shall be furnished by the motor manufacturer to insure compatibility and integrity of the
individual components, and provide the specified guarantee for all components.
2.2 MOTORS
A. Motor Conditions:
Maximum Motor Size (Hp) 150
Motor Speed (RPM) 3,600
Motor Voltage 60 Hz, 230/460 Vac, 3 phase
Motor Operating Speed Variable
Motor Frame 404TS
B. Motor Construction: The motors shall be inverter duty per NEMA MG 1-2011, Section IV, Part 31. Motors
shall be totally enclosed fan cooled (TEFC) Premium Efficient, 3-phase, 60 hertz, 230/460 Vac. All motors
conform to NEMA design, construction and performance requirements and shall operate continuously in
40°C ambient at any voltage within 10% pf rated voltage.
1. Each motor shall have a terminal box for wiring in conduit and clamp type frame grounding lug in
box. Motors shall be provided with solid shaft motors and lifting eyes capable of sustaining the
weight of the complete unit less the centrifugal blower.
2. Provide precision balanced motor or a motor superior to the manufacturer’s “Standard” motor.
3. Motor bearings shall be designed for static, dynamic, continuous, and momentary thrusts as required
by the driven equipment. Bearings shall be grease or oil-lubricated, antifriction bearings with
relubricating fittings and flushing system. Utilize visual level indicator for bearing.
4. Provide stainless steel nameplate with all electrical and lubrication information.
5. Aegis shaft grounding shall also be provided.
6. Motors provided for the horizontally multistage centrifugal blowers shall be designed for being
mounted and operated in the horizontal position, and coupled to the existing blower shaft.
7. Motor/blower coupling connection shall be completed as recommended by the blower manufacturer.
PART 3 - EXECUTION
3.1 DELIVERY, STORAGE, AND INSTALLATION
A. Motors shall be delivered to the site in undamaged condition. Motors shall be stored above ground and
protected from the weather. Motors shall be installed in strict accordance with manufacturer’s
recommendations and these Specifications. Motor installation shall be supervised by a factory-trained
representative on the site.
VOLGA WASTEWATER TREATMENT FACILITY IMPROVEMENTS - 2018
VOLGA, SOUTH DAKOTA
SECTION 43 1117 – HORIZONTALLY SPLIT MULTISTAGE CENTRIFUGAL BLOWERS
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#22599.00.00 43 1117-3 8/10/2018
3.2 FIELD SERVICES
A. Prior to start-up of the equipment, Draft Copies of the Operation and Maintenance Manuals shall be
submitted to the Engineer in accordance with specification section 01 3300 – “Submittal Procedures”. And,
at least two (2) hard copies of the Draft O&M Manual shall be provided to the Owner prior to start-up.
1. Maintenance instructions listing routine maintenance procedures, possible breakdowns, and repairs
shall be furnished. The instructions shall include simplified diagrams for the system installed.
3.3 GUARANTEE
A. All equipment shall be guaranteed against defects in materials, workmanship, and design for a period of
one (1) year from the date of the Owner’s final inspection and acceptance to the effect that any part or
equipment that should prove to be defective during the warranty period shall be repaired or replaced at no
cost to the Owner.
END OF SECTION 43 1117
VOLGA WASTEWATER TREATMENT FACILITY IMPROVEMENTS - 2018
VOLGA, SOUTH DAKOTA
SECTION 43 1117 – HORIZONTALLY SPLIT MULTISTAGE CENTRIFUGAL BLOWERS
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#22599.00.00 43 1117-4 8/10/2018
This Page Intentionally Left Blank
1'-0"
2'-0" 8"
4"
8"
4" SLAB-ON-GRADE W/ #4's
@ 12" O.C. EACH WAY
#4's @ 12" O.C.
(3) #5's CONT.
6"
PREFABRICATED BUILDING
(PROVIDED BY OWNER). ANCHOR
PER BUILDING MANUFACTURER'S
REQUIREMENTS.
12" SELECT GRANULAR SOIL
1'-9" MIN. LAP
F:\22599-00\Bid Phase\Addendums\Addendum #2\Slab Detail.dwg;8/10/2018 8:10 AM
DRAWN BY:
JOB NO :
DATE :
CHECKED BY:
DESIGNED BY:
SHEET NO. :
PROJECT / SHEET TITLE :
1"1/2"0
SCALE REDUCTION BAR
www.bannerassociates.com
Toll Free: 1.855.323.6342
ADDENDUM #2
A.R.H.
A.R.H.
A.R.H.
22599.00
AUGUST 2018
1
PREFABRICATED BUILDING - SLAB DETAIL
WASTEWATER TREATMENT FACILITY IMPROVEMENTS - 2018
VOLGA, SD
NOTE: PROVIDE 3/8" EXPANSION JOINT MATERIALBETWEEN PREFABRICATED BUILDING SLAB AND UVSTRUCTURE.
REFER TO SHEET 2.4 FORCONCRETE PAD ELEVATIONS.ON EAST SIDE OF SLAB. ONWEST SIDE OF SLAB GRAVELROADWAY IS TO BE FLUSHWITH TOP OF SLAB.
6"
6"
SLOPE
4"
GENERAL BACKFILL
1'-
2"
F:\22599-00\Bid Phase\Addendums\Addendum #2\Bollard Detail.dwg;8/10/2018 9:33 AM
DRAWN BY:
JOB NO :
DATE :
CHECKED BY:
DESIGNED BY:
SHEET NO. :
PROJECT / SHEET TITLE :
1"1/2"0
SCALE REDUCTION BAR
www.bannerassociates.com
Toll Free: 1.855.323.6342
ADDENDUM #2
YSR
NCE
RSU
22599.00
AUGUST 2018
2
BOLLARD DETAIL
WASTEWATER TREATMENT FACILITY IMPROVEMENTS - 2018
VOLGA, SD
4'-0"
4'-0"
ROUND OFF TOP OF BOLLARD WITH CONC.
ALL BOLLARDS SHALL HAVE A CONSISTENT
FINISH
NOTE:
SEE PLAN DRAWINGS FOR
LOCATION OF BOLLARDS.
SCALE: NONE
STEEL PIPE BOLLARD DETAIL
6"Ø SCHEDULE 40 STEEL PIPE
FILLED WITH CONCRETE
CLEAN PIPE, PRIME COAT, AND
PAINT WITH YELLOW EXTERIOR
TYPE ENAMEL
1/2" EXPANSION
JOINT MATERIAL