REPAIR / REPLACEMENT / CLEANING OF SEWAGE LINES, MANHOLES, WC PAN, GULLY TRAPS ETC IN AREA-IV OF AGE B/R (WEST) AREA AT COLABA, MUMBAI

Amount

M & L for cleaning of all blockages of Nahani trap/floor trap, bottle trap, gully trap, P or S traps of WCs, 100mm / 75 mm dia CI pipe and stacks upto 1st manhole, CI/SGSW pipe between gully trap and 1st manhole, CI Tee/door bends etc to maintain internal sewage system by employing one sweeper on all working days from 0900 hours to 1700 hours in the Area-I of AGE B/R (West) Colaba with manual/pressure cleaning pump & flexible rods and other neccessary equipments all as directed by Engr-in-charge.

All as per item no. 1 above but on emergency basis on Sunday / closed holiday / Gazetted holidays on call from Engr-in-charge/JE.

Cleaning of existing sewage line by rodding / mechanical process (with machine) as required / directed for 100mm to 250mm bore of drain pipe depth not exceeding 1.5 mtr deep (under ground) and removal of sludge/mud/dry silt etc in foul position out side of defence land, where directed including cleaning of Sewage line with water and testing by filling the water from manhole to manhole independently as directed and as specified including taking out man hole covers and reset in same position and making good disturbed portion if any complete all as specified & directed at site . Mode of measurment :- (i) Only length of blocked sewage line between two manholes (including both manholes) will be measured and paid under this item. (ii) If only manholes are choked up / blocked, the cleaning of manholes shall be measured and paid under item no. 1 & 2 of this schedule.

All as per item No 3 above but depth exc 1.5 m and n.exc 3m deep.

Empting choked up sewage lines and manholes exceeding 3.00 mtr depth by providing sewage suction vehicle of capacity 5000 ltrs (BMC Pattern) including necessary other arrangments such as sweepers to clean up the site after work and desposing the same at places earmarkd outside MOD land upto 25 KM lead and lift complete all as specified and directed. Note :- (a) All precautions to be taken by all workers while working in foul condition. Clean the area and spread bleaching powder at each location not less than 5 Kgs with entire satisfaction of Engineer-in-Charge. (b) After cleaning vehicle will be contractors property. (c) Contractor accredated representative shall be available during the cleaning. (c) Complete process shall be completed in all respects within a day.

Demolition of brickwork of stone/boulder masonry, build in cement mortar including all quions, arches, pillars etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and directed.

Material and labour for brick work with sub class 'B' brick straight curved on plan exceeding 6 metre mean radius with old size bricks built in CM 1:6 for cracked wall of manholes,septic tank, soak pits etc complete all as specified and directed.

Taking down cement plaster from inside/outside of existing septic tank/manhole/walls etc including racking out joints, hacking for key scrubbing down with water and removal of rubbish off the premises out side MD land complete all as directed.

M & L for 15 mm thick rendering in cement mortar 1:4 inside and outside wall of manhole of brick work/ concrete surface and finishing even and smooth without using extra cement mortar as per manufactures instructions complete all as specified and direcetd. Note: (i) WPC shall be measured and paid for separately as 'Supply only'. (ii) WPC to be mixed @200ml per 50 Kg bag of cement all as manufacturers instruction.

M & L for preparing newly plastered surfaces of walls and applying two coats of cement base paint complete all as specified and directed.

Supply only integral water proofing compound liqiud admixture complete all as specified and directed.

Excavating in trenches not exc. 1.5 m wide and not exc. 1.5 m depth for cesspits, manholes etc. and getting out soft/loose soil even in foul condition complete all as specified and as directed.

Returning, fillingin including spreading leveling watering and well ramming in layers n. exc 25 cm in soft/loose soil complete all as directed.

Removing excavated soil to a distance n. exc 50 m and depositing where directed at a level not exc 1.5 m above the starting point complete all as specified and directed.

Demolition and breaking of drain pipe (SGSW/PVC/RCC etc) set in cement mortar of internal dia 150 mm complete all as specified and directed.

M & L for PCC 1:3:6 type C2, (using 40 mm graded stone aggragate) as in concrete bed to 150 mm bore drain pipe including packing under and hunching against the sides of pipes after pipes laid and tested complete all as specified and directed.

M & L for 150 mm bore (internal dia of pipe) salt glazed stoneware drain pipe grade A laid in trenches and jointed complete all as specified and directed.

Demolition of cement cocrete (unreinforced) not exceeding 15 cm thickness (above or below ground level) complete all as specified and directed.

M & L for PCC (1:3:6), type C2 (40 mm graded stone aggregate ) in foundation, filling mass concrete for bottom of manhole complete complete all as specified and directed.

M & L for cement concrete 1:2:4 type B0, (using 12.5 mm graded stone aggregate) as coping/cills including necessary form work weathering, slightly rounded or chamfered angles and throating complete all as specified and directed.

Cutting into existing manhole for connecting new drain, making good to pipe and rendering cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in PCC1:2:4 type B1, smooth finished and reforming benching as required for internal pipe of dia 100 mm complete all as specified and directed.

Cutting into existing manhole for connecting new drain, making good to pipe and rendering cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in PCC1:2:4 type B1, smooth finished and reforming benching as required for internal pipe of dia 150 mm complete all as specified and directed.

Demolition of reinforced cement concrete (reinforcement cut as required to facilitate demolition of any description and in any position not otherwise specifically provided for complete all as specified and directed.

M & L for RCC(1:2:4), type B1 (using 20 mm graded stone aggregate) Precast cement concrete cover slab for manhole and similar article with plain face, set in cement mortar 1:4 complete all as specified and directed.

S & F deformed or twisted TMT bars 8 mm dia cut to length bent to shape required including cranking binding with MS wire (annealed) not less than 0.9 mm dia complete all as specified and as directed.

S&F PVC (SWR) gully trap 125/110 mm, setting and jointing with solvent cement/adhesive including dismantling of existing gully trap with chamber and making new chamber with PCC 1:2:4 type B1 covered with RCC cover complete all as specified and directed.

Demolition and breaking up drain pipes 75 mm dia (Salt glazed ware, AC, PVC or reinforced concrete) set in cement mortar complete all as specified and directed.

Demolition and breaking up drain pipes 110 mm dia (Salt glazed ware, AC, PVC or reinforced concrete) set in cement mortar complete all as specified and directed.

S & F 75 mm dia PVC (SWR) pipes single socketed in any length with rubber ring joints, sealed with adhesive suitable for PVC pipes and fixed to walls complete all as specified and directed.

S & F 75 mm dia PVC (SWR) pipes single socketed in any length with rubber ring joints, sealed with adhesive suitable for PVC pipes laid in trenches complete all as specified and directed.

S & F 110 mm dia PVC (SWR) pipes single socketed in any length with rubber ring joints, sealed with adhesive suitable for PVC pipes and fixed to walls complete all as specified and directed.

S & F 110 mm dia PVC (SWR) pipes single socketed in any length with rubber ring joints, sealed with adhesive suitable for PVC pipes laid in trenches complete all as specified and directed.

S & F 75mm dia PVC (SWR) bends with access doors any radius complete all as specified and directed.

S & F 110 mm dia PVC (SWR) bends with access doors any radius complete all as specified and directed.

S & F 75 mm dia PVC (SWR) junction single, (single T) equal or uequal provided with access door complete all as specified and directed.

S & F 110 mm dia PVC (SWR) junction single, (single T) equal or unequal provided with access door complete all as specified and directed.

S & F 75mm PVC (SWR) branch piece, single (single Y) equal or unequal complete all as specified and directed.

S & F 110 mm PVC (SWR) branch piece, single (single Y) equal or unequal complete all as specified and directed.

S & F 75 mm PVC (SWR) branch piece, single (double Y) equal or unequal complete all as specified and directed.

S & F 110mm PVC (SWR) branch piece, single (double Y) equal or unequal complete all as specified and directed.

S & F 75 mm dia PVC (SWR) vent cowl complete all as specified and directed.

S & F 110mm dia PVC (SWR) vent cowl complete all as specified and directed.

Dismantling of wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed.

M & L for Framed work such as grills, gratings, etc. with ends of barsshouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 complete all as specified and directed.

M&L for preparation of new or previously untreated surfaces and applying two coats of synthetic enamel paint over a coat of primer red oxide, zinc chrome complete all as specified and directed.

Cleaning of open drains completely removing silt, soil, mud sludge, vegetation growth etc. and removing the same to out side MoD land all as directed by Engr-in-Charge for width of drains n. exc. 30 cm.

Cleaning of open drains completely removing silt, soil, mud sludge,vegetation growth etc. and removing the same to out side MoD land all as directed by Engr-in-Charge for width of drains exc. 30 cm but n.exc. 60 cm .

Cleaning of open drainscompletely removing silt, soil, mud sludge, vegetation growth etc. and removing the same to out side MoD land all as directed by Engr-in-Charge for width of drains exc. 60 cm but n.exc. 75 cm .

Cleaning of drains/culverts including removing & re-covering of RCC/CI/Steel covers by completely removing silt, soil, mud sludge, vegetation growth etc. and removing the same to out side MoD land all as directed by Engr-in-Charge for width of drains n. exc. 30 CM .

Cleaning of drains/culverts including removing & re-covering of RCC/CI/Steel covers by completely removing silt, soil, mud sludge, vegetation growth etc. and removing the same to out side MoD land all as directed by Engr-in-Charge for width of drains exc. 30 cm but n.exc. 60 cm .

Cleaning of drains/culverts including removing & re-covering of RCC/CI/Steel covers by completely removing silt, soil, mud sludge, vegetation growth etc. and removing the same to out side MoD land all as directed by Engr-in-Charge for width of drains exc. 60 cm but n.exc. 75 cm .

Nisa Enterprises

NATH CONSTRUCTION

David Construction Co.

Bidder Name

Nisa Enterprises

NATH CONSTRUCTION

David Construction Co.

Bright Construction Co