Basis of Estimates Selecting Pay Items

Basis of Estimates Selecting Pay Items

Melissa HollisBasis of Estimates CoordinatorEngineering Systems Support SectionState Specifications and Estimates OfficeOctober 2014

1

Basis of Estimates

Part 1: Introduction to the Basis of Estimates

•Chapters 1-10

Part 2: Selecting Pay Items•Chapters 11-20•For FDOT and Consultant designers•Update training for bulletins, as needed

Part 3: Estimating and Review•Recent changes•Pricing details for FDOT Estimators

2

BOE Online

•Chapter 11: 100s MOB, MOT, Erosion, Clearing & Grubbing

•Chapter 12: 200sEarthwork, Base

•Chapter 13: 300sAsphalt, Friction CourseConcrete Pavement

•Chapter14: 400sStructures, Drainage

•Chapter 15: 500sCurb, Sidewalk, Guardrail, Fence


3

BOE Online

•Chapter 16: 600sSignals, Conduit, Pull Boxes

•Chapter 17: 700sSigning, Pavement Marking, Lighting

•Chapter 18: 800sMass Transit- Railroad

•Chapter 19: 900sSpecial, Developmental

•Chapter 20: 1000sUtilities


4

Example Pay Item Groups•334- 1- AA Superpave Asphaltic Concrete, TN•700- 1- AB Single Post Sign, AS

Chapter 6 Pay Items

5

Chapter 10: Formatting Pay Items

Every Pay item group: Details

StructureActive items

6

102-1 Maintenance of Traffic, LS•NO Erosion Control Devices- use 104 items•NO Temp Fencing- use Ped LCDs or 550 items•NO Temp Drainage quantities•NO Temp Asphalt- use Special Detour•NOT a “catch all” for other work•NO contingency quantities•NO weather quantities

100s: Maintenance of Traffic

7

102-2 Special Detour, LS•Temporary Asphalt•Show the location and a typical section with minimum design•DO NOT show base quantities•DO NOT show asphalt quantities

•Why?•The contractor is responsible for “installing and maintaining the detour”. If we provide quantities, then we have the possibility of claims when the detour requires additional materials.•Bulletin Pending


8

102-3 Commercial Material for Driveway Maintenance, CY

•Through 2014: may use estimated quantity based on xxx cy per mile•Effective 2015: Identify locations and quantity on summary box


9

VehicularPedestrian

Read Index 600, including recent changes for Ped LCDs

Orange “Construction Fence” is not an acceptable channelization device.

102-74- Channelizing Device, LF

10

102-104 Temp Signalization, ED•Includes maintenance of the signals throughout the duration of the project.•Includes moving signal heads•Includes “temporary heads” or poles, as needed

102-107 Temp Detection, ED•Includes maintenance of the detection throughout the duration of the project•Includes temporary detector •What types are acceptable?•A: Provide temporary traffic detection equipment listed on the APL.

102-104 and 102-107- Temp Signals

11

104- xx Erosion Control•DO NOT include quantities “based on replacement every xx months”•Why?•maintenance and replacement of items is included in the item.

•Products are selected from the Erosion and Sediment Control Handbook. DO NOT call for hay or straw bales, or any specific product. •104-10-3 Sediment Barrier, LF•104-18 Inlet Protection, EA (per each inlet)


12

107: Litter Removal and Mowing•Identify locations in the plans•Yes- this may require several plans sheets for urban areas, but it is still an overall reduction in pages from the comp book.

100s

13

285-7xx- Optional Base, SY286- Turnout Construction

200s Base Materials

14

327-70 Milling, SY334-1-AA Superpave, TN

•AA options set by State Materials Office to coordinate with current specs & binders•NOT for temporary locations

337-7-AA Friction Course, TN•AA options set by State Materials Office

339-1 Misc Asphalt, TN•Used for under guardrail, bicycle paths, etc.•NO TESTING

300s Pavement

15

350s Concrete Pavement•NOT FOR BRIDGES•350-5: Joints (new and existing pavement) are paid separately for the sealing/resealing)•350-6: Sealing Cracks

•See 458 for bridge joints

•353 Concrete Pavement Slab Replacement•NOT FOR BRIDGES, SLOPE PAVEMENT, ETC.

300s Pavement

16

400- Concrete, CY• Concrete by class• For culverts, endwalls, superstructure, substructure, etc.•READ THE IDS (Instructions for Design Standards) for the intended application

•NOT for incidental concrete, such as lighting or signals poles, pull boxes, or cabinet foundations/bases. Incidental concrete is included in work/materials for these items.

415- Reinf Steel, LB•READ THE IDS; some steel is incidental

400s Structures

17

425 Inlets430 Drainage Pipe

•NOT for utility use/JPA projects•Read the Standard/IDS for drainage structures

430-18- Jack & Bore •drainage pipe only

Special: •Minor changes to standard: note changes in the plans; payment under standard pay item•No applicable standard: call for assistance with pay item. “Special” pay items are blocked.

425-430s Drainage

18

450 Beams455 Drilled Shafts

•Call for other sizes/shapes

455 Protection of Existing Structures•PENDING for July 2015•Spec & Pay Item move to 108•New plan requirements•New guidance in 2015 PPM- locations (buildings) to be protected must be identified in the plans

458 Bridge Joints

450-455s Piling & other foundations

19

515 Railings521 Traffic Barrier/Railings

•Read the IDS •Guide rail, handrails, Ped/Bike with Infil

520 Curb Elements “Curb”•Curb•Curb & Gutter•Traffic Separator

522 Sidewalk (4” & 6”)527 Detectable Warnings

500s: Incidental Construction

20

524 Slope and Ditch Pavement•New/replacement•Cleaning & Sealing Joints


21

Guardrail•End to End measurement•End Anchorage- per ea one for each end, type as applicable


22

Guardrail•End to End measurementPaid as type outside of transition

•End Anchorage- per ea Bridge anchorageOther end, type as applicable


Correct: Roadway W-Beam

Incorrect: Thrie Beam + Roadway W-Beam

23


546 Rumble Strips•Sets- approach to intersection, across roadway•Shoulder•PENDING: Center line and Edge Line (Rumble Stripe) Spec and pay item will change unit of measurement from “Per mile” to “net mile”- end to end minus bridges, vs. stripe measure

550 Fence•Temp Fence, only as identified in spec•Does NOT include “orange construction fence”

24


590 Irrigation System, LS

591 Landscape Sleeve, LF•Developmental Standard Index 591•Project-by-project approvals for standard•Pay items assigned to approved projects

Cost effective vs. Jack & Bore later Design effective, if coordinated with landscape planso Not for “possible” future system, where locations cannot be coordinated

25

COPS: Coordination of Products and Specifications•QPL merge with APL, effective with Jan 2015 lettings•Web links for both with provide redirect to new application

•Specifications and Pay items: most changes have been completed•Minor changes pending •639- Power/Electrical Service•740 series- Traffic Monitoring (Transp Statistics)

600s: Traffic Control Signals and Devices

26

630 Conduit635 Pull, Splice, and Junction Boxes670 Traffic Controller Assembly

•671 Controller “electronics”•676 Cabinet “shell, with or without wiring”

Removal Items- No Section 690•Remove pole and “all attachments”Span wire or armSignal assemblyPedestrian DetectorPedestrian Signal

Ask about other items; ongoing changes

600s: Traffic Control Signals and Devices

27

700- Signs•If it looks like a sign, acts like a sign…•From PPM Vol 2, 23.6.2:

Any signs to be mounted on signal span wires should be shown and listed on the signalization plan for illustration and placement purposes. Sign details should be included on the signing plans. (Per Chester Henson, State Roadway Design- signing expert, signs mounted on mast arms should be addressed the same way.)

•PPM Vol 2, 24.6.2:Any span wire or mast arm mounted signs shall be coordinated with the appropriate signing and pavement marking plans to avoid duplication.The sign details for traffic signal signs must be included on the signalization plans, if signing and pavement markings are not included in the plans package.

700s: Signing, Pavement Marking & Lighting

28

700-6 Highlighted sign•LED Border

700-7 Embedded DMS700-8 Front Access DMS700-9 Walk-in DMS

•Static sign paid separately700-10 DMS Structure


29

701- Audible & Vibratory709- Two Reactive Components711- Thermoplastic

•Hot Applied “Standard”•Rumble Stripe “with 546”•Preformed

713- Permanent Tape

Pending: Guidance/Bulletin for July 2015•Contrast for light asphalt and concrete•Locations for Rumble Stripe vs 701


30

750, 751 series- Buildings751 “Other Architectural”

•Bus Shelter•Bicycle Rack•Trash Receptacle•Bench•Pedestrian Plaza

780 ITS Road Weather Info System(RWIS)785 ITS items moved to 600 series for cabinet, poles, etc.

700s: Architectural, Shared Use Path, Incidental

31

Rail pay item structure was created 5+ years ago.Call if you have a project with rail or other mass transit needs.New pay items will be made available as needed.

800s: Mass Transit

32

Developmental •Developmental Specifications•Developmental Standards

Other Special Use pay items

Follow rules for requesting developmental secifications or standardsPay Items will be made available for approved projects.

900s: Special Items

33

Standard Items•No cost history•Project Specific Tech Specs•Do Not “borrow” pay items from drainage, signals, or signing

Generic Pay Items•Refer to Chapter 6 for the rules•“Wide open” for utility applicationsNo need to track cost historyNo FDOT standards or specifications

•Monitored for non-utility applications

1000s: Utility Items

34

If you don’t see a pay item that you need, please ask.

•Existing/available Item groups•Request that an item be opened/activated, if needed•Request that we restore an old item/structure, if neededVerify that old specs/standards are applicable

•Request that we create a new item group•Consider requesting a Developmental Specification and Pay Item•Consider a Generic Pay Item

BOE Advice

35

Thank you for your time!

Melissa HollisBasis of Estimates Coordinator Estimating Systems Support SectionState Specifications and Estimates [email protected]

36

37

Documents

Basis of Estimates Selecting Pay Items