Tender work of providing and laying 230mm dia and 300 mm dia SW pipeline in place of damaged/silted 150mmdia SWline at Anandpura slum coming under KR Puram Service Statiion of AEE(E)-1-3 sub division-General Category

Estimate for the work of Rectification of 9" dia SW line in 5th main, Sangholli Rayanna road, RMV 2nd stage, near Corporation Bank, Coming under new BEL road service station, AEENE-3 Sub Division.

Sl Particulars No L(m) B(m) D(m) Total Qty Rate Amount

1 Cutting road surface for pipeline trenches and disposing off the exvated stuff and directed including barricading,danger lighting etc.,in the following classifications. Cutting cement concrete road.(BWSSB SR 13-14, P-5,I 4(2)

EXMH1 to EXMH2 1 36 0.8 0.15 4.32

Deduct Manhole Qty -3 2.18 0.8 0.15 -0.78

2 Earth work excavation for pipeline trenches(except building works) including depositing on bank upto a lead of 30 meters including danger lightning and using sight rails and boning rods at every 100 meters wherever necessary as directed in the following strata. In all soils mixed with boulders of 30 cms size upto and exclusive of disintegrated rock.(BWSSB SR 2013-14,P-3,I-1.10).

Detn Asphalt Qty -8.52

3 Providing and Laying glazed stone ware pipes (0.6 mt length) 22.50 cm dia tested quality including caulking withhemp yarn with CM 1:2 and testing with water etc., Complete excluding earth work (BWSSB SR 13-14, P-54, I 4(2.3).

EXMH1 to EXMH2 1 36 36.00

EXMH2 to NMH3 1 11.5 11.50

NMH3 to NMH4 1 30 30.00

Detn Mh's -3 2.18 -6.54

4 Refilling pipeline trenches and foundation with selected available earth form trench excavation and foundation inlcuding watering, consolidation in layers of 15cms., thickness including disposing off the surplus earth with all leads & lifts. (BWSSB SR 2013-14 P-129 I-2.11).

qty same as 1 and 2 Cum 79.48 50 3974

5 construction of circular manholes of 1.2m dia meter conical in shape and to including laying of CC of 1:3:6 proportion with 2.5 cms to 4.8 cms granite jelly thickness of concrete using 0.25m and off set of 0.15mtr brick walls in CM 1:4 including providing and fixing of C.I steps at 30cm apart in CC 1:2:4 and plastered with 1:3 proportion 1.25cms thick inside smoothly and outside finished roughly with CM 1:4 including earthwork in all types of soils refilling watering temparing etc.,complete and fixing including conveying CI manhole cover and frame of RCC rings and covers on a bed 1:2:4 CC granite jelly (1.25 to 2cms) size and finished smooth upto the top of dia of pipe brick relieving arch to be provided over wherever pipes to be connected with manhole CC 1:1:5:3 and CM plastered over it barricading,lighting,watering bailing out water slush removing and pouring tar over CI manhole cover etc.,complete as per specifications.BWSSB SR 2013-14 P-67,1-67 )

1.20 Mtr Depth on the NMH3, NMH4 No 2 12706 25411 11267

6 Dismantling the damaged or collapsed manhole of 4" dia conical in shape and reconstructing the same with machine made wire cut brick in CM (1:4) as per design and specification of new manhole 4" dia with old frame and cover excluding bed concrete 1:3:6 (BWSSB SR 2013-14, P-73, I-35)

0.40 Mtrs Depth on the line EXMH1, EXMH2, No 3.00 2877.20 8632

7 FRC Rings and covers Heavy duty No 2.00 1095.00 2190 14268 7193

8 Misc and Rounding off 64

Total Amount 74241

I certified that I have personally inspected the spot and prepared the estimate on the basis of BWSSB SR 2013-14

JE (SN) AEE NE-3 EE NE

Item_code description uom_name quantity

code-01 Dismantling of Flexible pavements and disposal of dismantled materials and stacking serviceable and unserviceable materials separately, By Mechanical Means Bituminous course CUM 116.544

code-02 Earth work excavation for pipeline trenches in all kinds of soils by mechanical means above 600 mm trench width as per drawing and technical specifications, including setting out, construction of shoring, strutting, barricading, caution lights, bracing, using sight rails & boning rods at every 100 mm whevere necessary as directed, removal of stumps and other deleterious matter, dressing of sides and levelling the bottom of trench to the extent required , utilising the available excavated earth locally for the work etc., and all other appurtenances complete in the following strata. All kinds of soil depth upto 1.5m CUM 637.0944

code-02a Depth exceeding 1.5 m, but not exceeding 3 m CUM 46.387

code-03 Providing lowering laying, jointing, testing and commissioning of following diameters glazed stone ware pipes, conforming to IS 651:1992, (with 5th revision) in all respects jointing with EPDM rubber rings (seals according to EN 681 & ASPM 425) The rubber seals joints pipe will have groves in interior of socket and exterior of the spigot. The rubber gasket shall be prefixed at the factory by the manufacturer rigidly with approved glue to have leak proof joint including conveying of pipe to work site and rolling and lowering into trenches, laying true to line, level and perfect linking at joints testing and commissoning including loading and unloading at both destinations and cuts of pipes wherever necessary including jointing of GSW pipes and specials, with rubber gaskets conforming to EN 681 and ASTM C-425 including cleaning the socket and spigot with soap solution and applying talcum powder for detecting crack, then applying glue and before inserting of rubber gaskets, jacking and fixing in perfect condition including the cost of soap solution, talcum powder and glue etc. and giving necessary hydraulic test to the required pressure of water head with all lead and lifts including costing of jointing materials and all necessary survey works for laying of sewers etc., and disposal 230 mm dia Rmt 565.8

code-04 Providing S&S RCC SPUN / VIBRATED CAST PIPES (REINFORCED)pipes NP-3 Class conforming to IS:458-1988 with latest amentmentsusing ordinary portland cement, for sanitary works and conveying to work site, rolling and lowering into trenches, laying true to line and level including loading and unloading at both destinations and jointing of pipes and specials, perfect linking of joints with jack to correct position including cost of jointing materials, i.e, rubber rings conforming to IS: 5382 for S&S RCC pipes, with all leads and lifts as directed and giving necessary hydraulic test as per ISS to the required pressure and commissioning etc. complete. (Contractor will make his own arrangements for procuring water for testing). Before the execution of the work, the contractor shall carry out the survey 300mm dia Rmt 162.6

code-05 Providing PVC-U INDIVIDUAL U.G.D House service connection (which shall be laid from inside the customer property ) which includes: a) Supply of PVC-U pipe (b) providing and fixing of 315 mm dia the PE Inspection chambres with lid consisting of inlet & outlet arrangementswith base, riser of min. 0.42 m depth which includes earth work,fixing in CC-1:2:4 with appurtenances., complete. (c) civil works like Earthwork excavation for the pipeline trenches for laying of PVC-U pipes for the house connections in all types of soils , disintegrated rock,softrock, hard rock, including cutting of any road using , crossing drains, compound, Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, c.c. woodwork, steel work, including T & P and scaffolding wherever necessary sorting the dismantled material, disposal of unserviceable and stacking the serviceable material with all lifts and lead , restoring the damaged portions inside or outside the property premises, refilling the portions of trenches that are dug open including linking to existing sewer network with appurtenances. complete. 110 mm No 110

code-06 Refilling available earth around trenches/pipelines, cables in layers not exceeding 20 cms in depth, compacting each deposited layer by ramming after watering with a lead upto 50 m, and lift upto 1.5 m. Including cost of all labour complete as per specifications CUM 648.497

code-07 Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver/grader in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density. CUM 116.544

code-08 Conducting Topographical GIS survey for the proposed Water Supply UGD scheme to the city / town with latest total station survey equipments. The work shall include collection of field data from local body, conducting detailed survey showing the all important land marks, existing water supply lines, sewer lines, all roads, levels, nature of roads, L-section survey for transmission main/ feeders/sub-feeder/ rising main from Jack well to WTP and WTP to OHT's and distribution network inlcuding clearing the obstructions, with all survey staff required covering all the developed & newly developed layouts or L-section survey for Sub-Main/Mains/Trunk Sewer/Rising main from wetwell to STP inlcuding clearing the obstructions, with all survey staff required covering all the developed & newly developed layouts with submission of Soft copy of drawings along with source file and Hard Copy in 3 sets for the following: water supply/Sewer work main pipes m 728.4

code-9 Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work CUM 34.984

code-10 Dewatering the sewage / storm water by using reqired HP submersible pump for the diversion of storm / sewage during the execution of work. Considering for one Pump 10 hp hr 10

code-11 Dismantling the damaged or collapsed Machinehole ,conical in shape,and reconstructing the same for the same dimensions, with machinemade wire cut brick in CM 1:4 with ordinary portland cement etc. asper design and specifications. The existing ring, cover and CC beedingto be used. For 1.2M dia: No 20

code-12 Providing and constructing "WIRE CUT BRICK MACHINEHOLE CHAMBERS" using Portland/Pozzolana cement, conical in shape at top,with CC 1:3:6 foundation using 40mm and down size graded metal of approved quality and with an offset of 0.15M alround the chamber Construct Brick masonry in CM 1:4, 340 mm thick, with wirecut bricks of approved quality, plaster inside and out side with CM 1:3, 12mm thick, except for the conical surface outside where the plaster thickness shall be 20mm. Slope inside to be 1:6 in the concrete towards central drain and finished smooth. Fixing of pipes in CC 1:2:4 with graded metal of 20mm and down size. Providing and fixing SFRC Machinehole frame and cover(Heavy Duty) conforming to IS:12592 with latest amendment, in CC 1:2:4.Providing and fixing footsteps made of 12mm dia. steel bars (Fe-500) with 3mm thick plastic encapsulation (IS-10910). The footsteps shall be fixed 30cms apart and on CC block embeded to masonry wall. The whole works include watering, curing, barricading, danger lighting, pouring tar over MH frame and cover, cost of tar, shoring, strutting, de-watering,engraving Machinehole number with flow direction on the inner conical surface etc. as per the drawing etc. as per technical specifications and for the following diameters and depth etc. for 1.2mm dia

a Constructing Brick Masonry Circular Machinehole 1.2 m internal dia 1.2 M depth & SFRC over & frame( MH no-8) No 1

b Constructing Brick Masonry Circular Machinehole 1.2 m internal dia ,1.6M depth & SFRC cver & frame (MH-7) No 1

c Constructing Brick Masonry Circular Machinehole 1.2 m internal dia. ,1.8M depth & SFRC cver & frame(MH-6) No 1

d Constructing Brick Masonry Circular Machinehole 1.2 m internal dia,1.5M depth & SFRC cver & frame(MH-5) No 1

e Constructing Brick Masonry Circular Machinehole 1.2 m internal dia ,1.9M depth & SFRC cover & frame(MH-4) No 1

f Constructing Brick Masonry Circular Machinehole 1.2 m internal dia ,1.9M depth & SFRC cover & frame(MH-3) No 1

g Constructing Brick Masonry Circular Machinehole 1.2 m internal dia & 2.0 M depth includ. SFRC F&C (MH-2) depth is 2.1 m No 1

h Constructing Brick Masonry Circular Machinehole 1.2 m internal dia.& 3.3 M depth includ. SFRC F&C (MH-2) No 1

code-13 Providing, filling and laying of sand bags filled with sand / clay for diversion of sewage during execution of work. No 80

100.00 Ground Level

99.00 Ground Level

98.00 Invert Level Ground Level

97.00 Invert Level

Datum 96.00 EXMH1 EXMH2 EXMH3 NMH4 EXMH5 EXMH3 EXMH6 NMH7 NMH8 EXMH6 EXMH9 EXMH10

NMH17 to NMH23 99.00

NMH23 to NMH24 98.00

NMH24 to NMH25 97.00

NMH25 to NMH26 96.00

NMH26 to NMH27 Datum 95.00 NMH17 NMH23 NMH24 NMH25 NMH26 NMH27 NMH28 NMH29 NMH30 EXMH31