A single-span highway vehicular bridge will cross a small ravine. The bridge is of a deck-...

       

Transcribed Image Text:

A single-span highway vehicular bridge will cross a small ravine. The bridge is of a deck- girder type and is of composite steel-concrete construction. Abut. no. 1 4 Bridge Expansion bearing 28-12 x 54 steel H piles. each 40 ft. (12,192 mm) long 60-0 (18,288 mm) c.c. bearings Present ground surface 4-6 (1.372 mm) Figure 1: Highway bridge profile 10" (254 reinforced concrete pavement 15-0 (4,572 mm) W 36x150 typical 4-6 (1,372 mm) 1-6 (457 mm) Figure 2: Highway bridge transverse section ¢ Fixed Bearing 4-6 (1,372 mm) Abut no. 2 Guardrail 10 (254 mm) (a) Complete the summary sheet for Bid Item No. 6, Concrete, abutments, on the highway bridge. Summary Sheet Job: Highway Bridge Cost Code Work Type 03150.20 Abutment forms, prefabricate Quantity Unit 1,810 sf 03157.20 Abutment forms, 3,620 sf place Bid Item No. 6: Concrete, abutments Labor labor unit cost Material plyform: lumber: 1.44 bf/sf Labor labor unit cost Equipment 3 03159.20 Abutment forms, 3,620 sf Labor strip $1.05 per sf $0.85 per bf Calculations = $1.96 labor unit cost Equipment 1 1 days of 50-ton crane time X 8 X $105 = $2.02 3 Materials nails, form ties, coating $0.28 per sf $0.97 per st day of 50-ton crane time X 8 X $105 10% waste per sf per st 50% salvage 50% salvage Total this account Total this account Total this account Labor Cost Direct Indirect Cost $1,596 $2,559 $878 Estimator: Equipment Material Cost Total Cost 03311.20 Concrete, abutment 280 cy Labor place foreman mason laborers operator oiler carpenter Equipment 50-ton crane vibrators buckets Material transit mix 03346.20 Concrete, abutment 1,960 sf Labor rub Total Bid Item No. 6 03370.20 Concrete, abutment 3,820 sf Labor curing production rate 1,960 Material material unit cost 1 @ 1 @ $34.00 $32.00 6 @ $22.00 = $33.00 = 1 @ 1@ $22.00 = 1 @ $31.00 = Crew hourly rate = Production rate= $105.00 = $3.00 = $3.00 = Equipment hourly rate = production rate 3,820 + 500 Materials curing compound: 3,820 + 270 1 @ 2 @ 2@ 16.67 X = X X $92.00 per cy 16.67 st/hr $32.00 = $0.12 per sf 500 sf/hr $32.00 = coverage = $6.50 = 8.75 270 cy/hr 5% waste Total this account (1 mason) Total this account (1 mason) sf/gal Total this account $3,181 $1,693 $86 (b) Complete the Project Overhead Estimation Sheet. Job: Highway Bridge Overhead Item Project manager Project superintendent Utilities Electricity Telephone Fax Utility installation charges Facilities Job office 2 ea. tool sheds Toilet Travel expense Water tank & water service Soil & concrete testing Scaffolding Trash removal Tire repair Photographs Computer Surveys Project insurance First aid Sign Reproductions Fence Move in Clean up Calculations $5,500 x 3.5 mo x 0.5 time= $5,000 x 3.5 mo $225 $350 $100 $675 Project Overhead Estimate (job) / mo / mo / mo /mo x 3,5 mo = $350 / mo $600 / mo $125 / mo $1,075 $212 / wk / wk $80 $600 / mo $480 / mo $190 / mo $100 / mo X 3.5 mo $130 / mo X 3.5 mo $140 / mo x 3.5 mo x X X x X X 3.5 15 5555 15 3.5 1 3.5 mo. wk wk mo mo mo |||||||||||||||||| = = Amount (job) (job) (job) (job) (job) $2.00ft x 680 ft = $1,520.00 Subtotal of time-variable overhead expenses = $1,600.00 $1,164.00 $220.00 $570.00 $400.00 $1,360.00 $14,155.20 $6,709.20 Subtotal of time-constant overhead expenses = Total project overhead = Estimator: Totals (c) Complete Project recapitulation or recap sheet. Job: Highway Bridge Item No. Bid Item 1 Excavation, unclassified 2 Excavation, structural Backfill, compacted 3 4 Piling, steel 5 Concrete, footings 6 Concrete, abutments 7 Concrete, deck slab, 10 in. 8 Steel, reinforcing 9 Steel, structural 10 Bearing plates 11 Guardrail 12 Paint Unit cy 60=60SLLLL cy cy If cy cy sy lb lb lb If Is Factor = Estimated Quantity 1,667 Labor Cost $3,569 120 $3,731 340 $3,591 2,240 $21,390 $11,176 120 $3,661 280 $37,459 200 $11,745 90,000 $0 65,500 $4,220 3,200 $1,943 $1,664 $0 Totals Recap Sheet Bid Date: 120 job Equipment Material Cost Cost $929 $555 $663 UNIVERSITY $72,279 $12,186 $685 $7,104 $30,542 $1,790 $8,020 SO $0 $1,680 $420 $420 $0 $0 $0 $0 $73,688 $3,250 $5,826 $0 Tax Job overhead Subcontract Cost Markup Small tools (5% of labor) $0 $0 $0 $0 $0 $0 $0 $66,240 $0 $0 $0 $8,550 Bonds Total Project Bid 3% 15% Direct Cost $69,868 $4,649 $14,205 $73,155 $5,665 Bid Total Estimator: Unit Perform a market research and identify the common types of plant and heavy equipment used in construction industry. The plant or equipment may include but not limited to communications equipment, conveyors, heavy equipment, such as wheeled and tracked earthmoving equipment, trucks and articulated vehicles, hoists, mobile and tower cranes, on-site equipment, such as, compressors, pumps, generators, portable lighting, lifting equipment, portable compaction equipment. A: Perform a market research and identify the approximate unit cost ranges of the following building and construction items in Australia: construction cost per square metre, installation of pipes per metre, installation of sanitary ware per unit, laying of foundation per metre, laying of slabs per square metre, laying of steel tray roofing per square metre, masonry walls per square metre, painting per square metre, tiling per square metre. A: A single-span highway vehicular bridge will cross a small ravine. The bridge is of a deck- girder type and is of composite steel-concrete construction. Abut. no. 1 4 Bridge Expansion bearing 28-12 x 54 steel H piles. each 40 ft. (12,192 mm) long 60-0 (18,288 mm) c.c. bearings Present ground surface 4-6 (1.372 mm) Figure 1: Highway bridge profile 10" (254 reinforced concrete pavement 15-0 (4,572 mm) W 36x150 typical 4-6 (1,372 mm) 1-6 (457 mm) Figure 2: Highway bridge transverse section ¢ Fixed Bearing 4-6 (1,372 mm) Abut no. 2 Guardrail 10 (254 mm) (a) Complete the summary sheet for Bid Item No. 6, Concrete, abutments, on the highway bridge. Summary Sheet Job: Highway Bridge Cost Code Work Type 03150.20 Abutment forms, prefabricate Quantity Unit 1,810 sf 03157.20 Abutment forms, 3,620 sf place Bid Item No. 6: Concrete, abutments Labor labor unit cost Material plyform: lumber: 1.44 bf/sf Labor labor unit cost Equipment 3 03159.20 Abutment forms, 3,620 sf Labor strip $1.05 per sf $0.85 per bf Calculations = $1.96 labor unit cost Equipment 1 1 days of 50-ton crane time X 8 X $105 = $2.02 3 Materials nails, form ties, coating $0.28 per sf $0.97 per st day of 50-ton crane time X 8 X $105 10% waste per sf per st 50% salvage 50% salvage Total this account Total this account Total this account Labor Cost Direct Indirect Cost $1,596 $2,559 $878 Estimator: Equipment Material Cost Total Cost 03311.20 Concrete, abutment 280 cy Labor place foreman mason laborers operator oiler carpenter Equipment 50-ton crane vibrators buckets Material transit mix 03346.20 Concrete, abutment 1,960 sf Labor rub Total Bid Item No. 6 03370.20 Concrete, abutment 3,820 sf Labor curing production rate 1,960 Material material unit cost 1 @ 1 @ $34.00 $32.00 6 @ $22.00 = $33.00 = 1 @ 1@ $22.00 = 1 @ $31.00 = Crew hourly rate = Production rate= $105.00 = $3.00 = $3.00 = Equipment hourly rate = production rate 3,820 + 500 Materials curing compound: 3,820 + 270 1 @ 2 @ 2@ 16.67 X = X X $92.00 per cy 16.67 st/hr $32.00 = $0.12 per sf 500 sf/hr $32.00 = coverage = $6.50 = 8.75 270 cy/hr 5% waste Total this account (1 mason) Total this account (1 mason) sf/gal Total this account $3,181 $1,693 $86 (b) Complete the Project Overhead Estimation Sheet. Job: Highway Bridge Overhead Item Project manager Project superintendent Utilities Electricity Telephone Fax Utility installation charges Facilities Job office 2 ea. tool sheds Toilet Travel expense Water tank & water service Soil & concrete testing Scaffolding Trash removal Tire repair Photographs Computer Surveys Project insurance First aid Sign Reproductions Fence Move in Clean up Calculations $5,500 x 3.5 mo x 0.5 time= $5,000 x 3.5 mo $225 $350 $100 $675 Project Overhead Estimate (job) / mo / mo / mo /mo x 3,5 mo = $350 / mo $600 / mo $125 / mo $1,075 $212 / wk / wk $80 $600 / mo $480 / mo $190 / mo $100 / mo X 3.5 mo $130 / mo X 3.5 mo $140 / mo x 3.5 mo x X X x X X 3.5 15 5555 15 3.5 1 3.5 mo. wk wk mo mo mo |||||||||||||||||| = = Amount (job) (job) (job) (job) (job) $2.00ft x 680 ft = $1,520.00 Subtotal of time-variable overhead expenses = $1,600.00 $1,164.00 $220.00 $570.00 $400.00 $1,360.00 $14,155.20 $6,709.20 Subtotal of time-constant overhead expenses = Total project overhead = Estimator: Totals (c) Complete Project recapitulation or recap sheet. Job: Highway Bridge Item No. Bid Item 1 Excavation, unclassified 2 Excavation, structural Backfill, compacted 3 4 Piling, steel 5 Concrete, footings 6 Concrete, abutments 7 Concrete, deck slab, 10 in. 8 Steel, reinforcing 9 Steel, structural 10 Bearing plates 11 Guardrail 12 Paint Unit cy 60=60SLLLL cy cy If cy cy sy lb lb lb If Is Factor = Estimated Quantity 1,667 Labor Cost $3,569 120 $3,731 340 $3,591 2,240 $21,390 $11,176 120 $3,661 280 $37,459 200 $11,745 90,000 $0 65,500 $4,220 3,200 $1,943 $1,664 $0 Totals Recap Sheet Bid Date: 120 job Equipment Material Cost Cost $929 $555 $663 UNIVERSITY $72,279 $12,186 $685 $7,104 $30,542 $1,790 $8,020 SO $0 $1,680 $420 $420 $0 $0 $0 $0 $73,688 $3,250 $5,826 $0 Tax Job overhead Subcontract Cost Markup Small tools (5% of labor) $0 $0 $0 $0 $0 $0 $0 $66,240 $0 $0 $0 $8,550 Bonds Total Project Bid 3% 15% Direct Cost $69,868 $4,649 $14,205 $73,155 $5,665 Bid Total Estimator: Unit Perform a market research and identify the common types of plant and heavy equipment used in construction industry. The plant or equipment may include but not limited to communications equipment, conveyors, heavy equipment, such as wheeled and tracked earthmoving equipment, trucks and articulated vehicles, hoists, mobile and tower cranes, on-site equipment, such as, compressors, pumps, generators, portable lighting, lifting equipment, portable compaction equipment. A: Perform a market research and identify the approximate unit cost ranges of the following building and construction items in Australia: construction cost per square metre, installation of pipes per metre, installation of sanitary ware per unit, laying of foundation per metre, laying of slabs per square metre, laying of steel tray roofing per square metre, masonry walls per square metre, painting per square metre, tiling per square metre. A: