Cedar Street Sewer Repairs — File 200062

CAMBRIDGE ELM ST SUMMER ST HIGHLAND AVE LOWELL ST ALBION ST CEDAR ST HUDSON ST SOMERVILLE AVE BEACON ST CENTRAL ST PORTER ST BELMONT ST WILLOW AVE CHERRY ST HANCOCK ST ALPINE ST LINDEN AVE CRAIGIE ST BENTON RD LEXINGTON AVE PITMAN ST SPRING ST BANKS ST CROWN ST HALL ST HARVARD ST ATHERTON ST TOWER ST GIBBENS ST SPENCER AVE IBBETSON ST BURNSIDE AVE BRASTOW AVE HARRISON ST ST JAMES AVE WINDSOR RD CROCKER ST CAMBRIA ST HARRIS ST PRINCETON ST ASHLAND ST CHARNWOOD RD BEECH ST KENT ST MILLER ST SPRING HILL TER SILVEY PL KENT CT WESTWOOD RD WOODBINE ST WHITE ST MONMOUTH ST CLEVELAND ST LESLEY AVE WALDO ST SARTWELL AVE MOSSLAND ST GARDEN CT HENRY AVE CONWELL ST KIMBALL ST CEDAR AVE WHIPPLE ST CENTRE ST EASTMAN RD HOLYOKE RD WHITE ST PL MOUNTAIN AVE ACADIA PARK SACRAMENTO ST PORTER AVE LINDEN PL OLIVE AVE ALBION PL OXFORD ST PARKER PL GOULD AVE WADE CT STANFORD TER CARVER ST FAIRLEE ST PRENTISS ST BELMONT PL WILLIAMS CT PRIVATE DRIVE FOREST ST DANTE TER HILLSIDE CIR LOWELL CIR MARDELL CIR GOVE CT ALBION CT ADELAIDE RD CRAIGIE TER BEACON TER PIPER AVE ALBION TER ² 0 500 250 Feet WATER, SEWER & DRAINAGE IMPROVEMENT PROJECT CEDAR ST & ELM ST Parcels Hospital Open Space Public Building Project Area

WSE Job No. 2130636 6/12/2015 ENGINEER'S COST ESTIMATE DONE BY: Paul Greco CHECKED BY: David Elmer CITY OF SOMERVILLE, MASSACHUSETTS CEDAR STREET SEWER SEPARATION PROJECT UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # ROADWAY RECONSTRUCTION ITEMS Individual tree protection 102.51 EA 13 $220.00 $2,860.00 Remove & reset tree 102.52 EA 2 $500.00 $1,000.00 Tree removed - diameter under 24 inches 103. EA 12 $850.00 $10,200.00 Tree removed - diameter 24 inches and over 104. EA 4 $2,000.00 $8,000.00 Unclassified excavation 120.1 CY 2610 $30.00 $78,300.00 Pavement milling 129. SY 1250 $50.00 $62,500.00 Gravel borrow 151. CY 2320 $32.00 $74,240.00 Controlled density fill - Excavatable 153. CY 190 $130.00 $24,700.00 Fine grading and compacting 170. SY 8350 $2.00 $16,700.00 Dense graded crushed stone for sub-base 402. CY 310 $54.00 $16,740.00 Reclaimed pavement for base course and/or sub-base 403. SY 5600 $7.00 $39,200.00

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # Crushed stone for blending 403.1 TON 420 $19.00 $7,980.00 HMA base course 420. TON 1250 $70.00 $87,500.00 Calcium chloride for roadway dust control 440. LBS 5600 $0.40 $2,240.00 Water for roadway dust control 443. MGL 20 $50.00 $1,000.00 HMA surface course - modified top 450.21 TON 970 $115.00 $111,550.00 HMA for patching 451. TON 1150 $175.00 $201,250.00 Asphalt emulsion for tack coat 452. GAL 610 $8.00 $4,880.00 Hot poured rubberized asphalt sealer 464.5 FT 3800 $4.00 $15,200.00 Hot mix asphalt for miscellaneous work 472. TON 83 $175.00 $14,525.00 Sawing asphalt pavement 482.3 FT 650 $2.50 $1,625.00 Sawing concrete pavement 482.4 FT 110 $3.00 $330.00 Granite curbType VA3 - straight 504. FT 100 $45.00 $4,500.00 Granite curb Type VA3 - curved 504.1 FT 3 $50.00 $150.00 Granite transition curb for wheelchair ramps - straight 509. FT 830 $40.00 $33,200.00

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # Granite transition curb fror wheelchair ramps - curved 509.1 FT 230 $45.00 $10,350.00 Granite curb inlet - straight 514. EA 14 $300.00 $4,200.00 Curb removed and reset 580. FT 2010 $20.00 $40,200.00 Fence removed and reset 670. FT 49 $42.00 $2,058.00 Silt sack 697.1 EA 64 $140.00 $8,960.00 Cement concrete sidewalk 701. SY 1310 $53.00 $69,430.00 Cement concrete sidewalk wheelchair ramps 701.2 SY 240 $75.00 $18,000.00 Hot mix asphalt driveway 703. TON 70 $175.00 $12,250.00 Mailbox removed and reset 715.1 EA 1 $200.00 $200.00 Loam borrow 751. CY 2 $40.00 $80.00 Seeding 765. SY 15 $1.50 $22.50 Karpick Red Maple 776. EA 5 $675.00 $3,375.00 3-inch electrical conduit Type NM - Plastic (UL) 804.3 FT 250 $32.52 $8,130.00 Service connection (underground) 813.81 EA 1 $3,000.00 $3,000.00

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # Traffic control signal - Summer Street 815.1 LS 1 $150,000.00 $150,000.00 Traffic control signal removed & stacked 816.80 LS 1 $6,000.00 $6,000.00 Warning-regulatory and route marker - alum. Panel (Type A) 832. SF 35 $10.00 $350.00 Sign support and route marker w/breakaway post assembly - steel 847.1 EA 5 $100.00 $500.00 Traffic cones for traffic management 851.1 DAY 340 $140.00 $47,600.00 Safety signing for traffic management 852. SF 150 $20.00 $3,000.00 Portable breakaway barricade - Type III 853.1 EA 2 $130.00 $260.00 Temporary paving markings - 6-inch (painted) 854.016 FT 2000 $0.25 $500.00 Arrow board 856. DAY 340 $11.00 $3,740.00 Portable changeable message sign 856.12 DAY 140 $22.00 $3,080.00 Reflectorized drum 859. DRUM- DAYS 3400 $0.25 $850.00 Pavement arrows and legends reflectorized white (epoxy) 864.041 SF 120 $4.00 $480.00 4 inch reflectorized white line (epoxy) 868.04 FT 1950 $1.00 $1,950.00 6 inch reflectorized white line (epoxy) 868.06 FT 3170 $4.00 $12,680.00

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # 12 inch reflectorized white line (epoxy) 868.12 FT 710 $2.50 $1,775.00 Bicycle symbol white (epoxy) 868.3 SF 55 $4.00 $220.00 6 inch reflectorixed yellow line (epoxy) 869.06 FT 100 $1.50 $150.00 Green paint for bike lanes (epoxy) 869.1 SF 9000 $3.00 $27,000.00 Traffic sign removed and reset 874.2 EA 28 $91.00 $2,548.00 Miscellaneous sign removed and reset 874.21 EA 1 $150.00 $150.00 SUBTOTAL $1,263,458.50

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # DRAINS COMPLETE IN PLACE 1 15-inch Class IV RCP drains 1a LF 200 $200.00 $40,000.00 18-inch Class IV RCP drains 1b LF 87 $250.00 $21,750.00 21-inch Class IV RCP drains 1c LF 30 $300.00 $9,000.00 36-inch Class IV RCP drains, 5' to 10' deep 1d LF 32 $325.00 $10,400.00 36-inch Class IV RCP drains, 10' to 15' deep 1e LF 254 $475.00 $120,650.00 42-inch DI drains 1f LF 244 $300.00 $73,200.00 48-inch Class IV RCP drains, 5' to 10' deep 1g LF 805 $350.00 $281,750.00 48-inch Class IV RCP drains, 10' to 15' deep 1h LF 1459 $500.00 $729,500.00 12-inch catch basin lateral 1i LF 575 $100.00 $57,500.00 SUBTOTAL $1,343,750.00

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # SEWERS COMPLETE IN PLACE 2 8-inch PVC pipe 2a LF 153 $200.00 $30,600.00 8-inch DI pipe 2b LF 35 $250.00 $8,750.00 12-inch PVC pipe, 5' to 10' deep 2c LF 273 $200.00 $54,600.00 12-inch PVC pipe, 10' to 15' deep 2d LF 503 $250.00 $125,750.00 12-inch PVC pipe, 15' to 20' deep 2e LF 948 $350.00 $331,800.00 SUBTOTAL $551,500.00 BUILDING CONNECTION SYSTEMS 3 12X6 wye or tee branches 3a EA 62 $500.00 $31,000.00 8X6 wye or tee branches 3b EA 1 $500.00 $500.00 Chimney 3c VF 165 $100.00 $16,500.00 6-inch building connections 3d LF 1380 $100.00 $138,000.00 Push camera inspection of existing building connection 3e EA 84 $500.00 $42,000.00 Dye testing of existing building connection 3f EA 46 $500.00 $23,000.00 Relocate Elm Street sewer service to separate sewer 3g EA 19 $5,000.00 $95,000.00 SUBTOTAL $346,000.00

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # MANHOLES AND CATCH BASINS 4 4' diameter precast concrete manhole base 4a EA 14 $2,500.00 $35,000.00 4' diameter precast concrete manhole walls & cones 4b VF 183 $550.00 $100,650.00 6' diameter precast concrete manhole base 4c EA 3 $3,000.00 $9,000.00 6' diameter precast concrete manhole walls & cones 4d VF 34 $795.00 $27,030.00 8' diameter precast concrete manhole base 4e EA 2 $5,000.00 $10,000.00 8' diameter precast concrete manhole walls & cones 4f VF 17 $1,335.00 $22,695.00 10' diameter precast concrete manhole base 4g EA 1 $7,500.00 $7,500.00 10' diameter precast concrete manhole walls & cones 4h VF 13 $961.00 $12,493.00 4' tee precast concrete manhole base 4i EA 2 $890.00 $1,780.00 4' tee precast concrete manhole walls & cones 4j VF 27 $890.00 $24,030.00 7' x 7' precast box manhole base 4k VF 3 $10,000.00 $30,000.00 7' x 7' precast box manhole walls and top slab 4l VF 25 $1,000.00 $25,000.00 Furnish & install 14' x 8' precast concrete vault complete 4m LS 1 $100,000.00 $100,000.00 Precast concrete catch basin (TYPE A) with single frame & cascade grate 4n EA 5 $5,000.00 $25,000.00

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # Precast concrete catch basin (TYPE A) with double frame & cascade grate 4o EA 15 $5,000.00 $75,000.00 Precast concrete catch basin (TYPE B) with single frame & cascade grate 4p EA 4 $7,500.00 $30,000.00 Precast concrete catch basin (TYPE B) with double frame & cascade grate 4q EA 7 $7,500.00 $52,500.00 Furnish & install manhole frame and cover 4r EA 21 $1,200.00 $25,200.00 Furnish & install bolted & gasketed watertight frame and cover 4s EA 4 $2,000.00 $8,000.00 Abandon manhole or catch basin 4t EA 3 $1,000.00 $3,000.00 Cementitious lining of manholes 4u VF 42 $150.00 $6,300.00 SUBTOTAL $630,178.00 CLEANING AND INSPECTION OF SEWERS 5 Cleaning and inspection of 8-inch to 12-inch sewers 5a LF 910 $4.00 $3,640.00 SUBTOTAL $3,640.00 CURED-IN-PLACE PIPE 6 8-inch cured-in-place pipe 6a LF 213 $60.00 $12,780.00 12-inch cured-in-place pipe 6b LF 838 $80.00 $67,040.00 Grout reinstated service connections 6c EA 10 $600.00 $6,000.00 SUBTOTAL $85,820.00

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # WATER MAINS AND FITTINGS 7 6-inch ductile iron pipe & fittings 7a LF 35 $100.00 $3,500.00 8-inch ductile iron pipe & fittings 7b LF 482 $140.00 $67,480.00 12-inch ductile iron pipe & fittings 7c LF 2493 $140.00 $349,020.00 Additional fittings 7d LBS 2000 $10.00 $20,000.00 SUBTOTAL $440,000.00 POLYETHYLENE ENCASEMENT 8 Polyethylene encasement 8a LF 3010 $2.00 $6,020.00 SUBTOTAL $6,020.00

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # HYDRANTS AND VALVES 9 Hydrant assembly 9a EA 6 $5,000.00 $30,000.00 Remove existing hydrant 9b EA 6 $500.00 $3,000.00 6-inch gate valve 9c EA 1 $2,500.00 $2,500.00 8-inch gate valve 9d EA 7 $2,500.00 $17,500.00 12-inch gate valve 9e EA 11 $3,500.00 $38,500.00 Furnish & Install Check Valve Manhole 9f LS 1 $25,000.00 $25,000.00 SUBTOTAL $116,500.00 WATER SERVICE CONNECTIONS 10 3/4" corporation stops 10a EA 77 $1,000.00 $77,000.00 3/4" curb stops 10b EA 77 $300.00 $23,100.00 3/4" copper piping and fittings 10c LF 1482 $35.00 $51,870.00 SUBTOTAL $151,970.00

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # TEMPORARY SERVICE PIPING 11 2-inch temporary service main 11a LF 2382 $15.00 $35,730.00 4-inch temporary service main 11b LF 1742 $15.00 $26,130.00 SUBTOTAL $61,860.00 MISCELLANEOUS EARTHWORK 12 Excavation and backfill of unsuitable material above normal grade 12a CY 12900 $12.00 $154,800.00 Excavation and backfill of unsuitable material below normal grade 12b CY 600 $18.00 $10,800.00 Removal and disposal of Group A contaminated Material 12c TON 490 $45.00 $22,050.00 Removal and off-site treatment/recycling of Group B contaminated material 12d TON 120 $60.00 $7,200.00 Test pits 12e CY 500 $100.00 $50,000.00 Bentonite clay dams 12f CY 50 $500.00 $25,000.00 Additional crushed stone 12g CY 100 $10.00 $1,000.00 Additional concrete encasement 12h CY 100 $30.00 $3,000.00 SUBTOTAL $273,850.00

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # ROCK EXCAVATION AND DISPOSAL 13 Rock excavation and disposal (min) 13a CY 575 $100.00 $57,500.00 Rock excavation and disposal (add'l) 13b CY 575 $50.00 $28,750.00 SUBTOTAL $86,250.00 SEWER, WATER, AND DRAIN RECONSTRUCTION 14 Sewer, water, and drain reconstruction within trench limits 14a EA 18 $1,200.00 $21,600.00 SUBTOTAL $21,600.00 TEMPORARY BYPASS PUMPING SYSTEM 15 Temporary bypass pumping system 15a LS 1 $25,000.00 $25,000.00 SUBTOTAL $25,000.00 RODENT CONTROL 16 Rodent control, lump sum 16a LS 1 $5,000.00 $5,000.00 SUBTOTAL $5,000.00 MOBILIZATION 17 Mobilization 17a LS 1 $268,984.38 $284,069.04 SUBTOTAL $284,069.04

UNIT COST TOTAL AMOUNT UNIT QUANTITY DESCRIPTION ITEM # PRICE ADJUSTMENTS 18 Price Adjustment for Diesel fuel used in excavation and borrow work, where price variance is five (5) percent or greater 18a GALLONS 3702 $0.23 $851.46 Price Adjustment for Gasoline used in excavation and borrow work, where price variance is five (5) percent or greater 18b GALLONS 2931 $0.21 $615.51 Price Adjustment for Diesel fuel used in surfacing work (paving), where price variance is five (5) percent or greater 18c GALLONS 9019 $0.23 $2,074.37 Price Adjustment for Liquid Asphalt used in hot mix asphalt mixtures, where price variance is five (5) percent or greater 18d TONS 171 $54.25 $9,276.75 SUBTOTAL $12,818.09 CONTINGENCY: $285,464.18 TOTAL $5,994,747.82 5% SUBTOTAL $5,709,283.63