King JamesConstruction Cost Estimating

Rob Himler, Ken Coutain, David Reger, Ruoyu Huang, Bei Xiong, Hanbing Ye

Letter of Transmittal• Bid proposal for King James project

– 3-bedroom/2-bath/-1-car garage• Estimations broken down into several

categories• Proposed bid includes all materials, labor,

equipment, taxes and any other additional needed costs

Division of Duties

Breakdown of Bid by Components

ConcreteAssumptions:• Use Earth as Forms• Use Chute to Pour

Concrete

Woods & Plastics

The Floor•The floor system consists of joists covered with OSB or plywood sheathing and bears on sills, walls, or girders supported by posts.

Walls•Walls consists of top and bottom plates, studs, headers, blockings, and sheathing. •Double top plate of untreated lumber, and one bottom plate of treated lumber.

Woods & Plastics

The roofSales tax—6%Labor tax---25%OH & Profit---12%

Woods & Plastics

Thermal + Moisture

Waterproofing Insulation Batt Insulation in Wall R-30 Insulation above Ceiling Exterior Insulation Finish System

Building Paper and Vapor Barriers

Shingles Fiberglass roof shingle Metal Drip edge

Thermal + Moisture

1. Waterproofing Film Vapor Barrier Underlayment Area = 1460SF

2. R-30 Insulation above Ceiling Area = 1460SF

Thermal + Moisture

3. 3-1/2" Batt Insulation in Wall Exterior Wall 1052SF Interior Wall 313.31SF AreaWall = 1365.31 SF

Thermal + Moisture

4. Exterior Insulation Finish System

AreaWall = 1052SF

Thermal + Moisture5. Building Paper and Vapor Barriers (must be lapped to be effective)

To be lapped 12 inches on the ends 6 inches on the side

AreaBuilders paper = 3363.89SF

The Dormer

6. Fiberglass Roof Shingles 5in exposure and 1in width Starter/Field/Hip&Valley/Cap Shingle Areashignles = 2053.27SF

7. Metal Drip Strip come in 11-foot length

need to be lapped 2 inches Length = 164.55LF Number = 16 each

Thermal + Moisture Hip Shingle

Thermal + Moisture

Plumbing

Plumbing (DWV)

Material cost priced through Home-Depot

Labor cost priced through RS-Means (Section 22)

Estimates broken up in the following sections:

Main Sewer Connection Central Bathroom Left Bathroom Garage and Kitchen

All PVC Schedule 40 for Sanitary

Plumbing

Plumbing (Water Line) Material cost priced through

Home-Depot Labor cost priced through RS-

Means (Section 22) Estimates broken up in the

following sections: Garage (WM) Kitchen (SINK) Living Room Central Bathroom (LAV,

SHW, WC) Left Bathroom (LAV, WC,

TUB) Hot Water (HW) lines in house

are all ½” CPVC Cold Water (CW) lines in house

are ¾” in-wall and reduce to ½” for fixture connections.

HVAC

HVAC

HVAC

Electrical

Outlet:•12 GFI•2 Waterproof GFI Cover•1 J-Box•23 AFCI•35 GFI/AFCI Cover•3 220V Outlet•20 outlet•22 Outlet Box•2 Breaker for AC•3 Breaker for others•1 Electrical Panel

Electrical

4 Fans2 Exhaust Fan8 Lighting Fixtures13 Single Pole Switches2 Three Pole Switches4 Smoke Detector1 Co/smoke Detector

8’6’ 6’6’

4’

2’

3’7’

6’ 6’8’6’

3’

4’

6’10’6’

40ft

Electrical

Facilities:

•200ft #12 Electrical Wires•1 Washer•1 Dryer

Electrical

Final Cost

Electrical

Openings

Finishes

Assumptions:• Paint Rolled On• Carpet in Bedrooms• Vinyl in Bathrooms and Kitchen• Laminate in Halls and Living/Dining Room

Bid Summary

• Direct Costs

Bid Summary

• Indirect Costs

Bid Summary

• Total Cost Breakdown by Component

Questions?