REPAIR/REPLACEMENT OF SEWAGE LINE, MANHOLES, COVER SLABS AND CONNECTED MISC WORKS IN ZONE I AND CLEANING AND DESILTING OF SEPTIC TANK, MANHOLES, SOAK WELL AND SEWAGE LINE AND CONNECTED MISC WORKS IN ZONE I AND II

Amount

Cleaning and desilting of septic tanks upto 50 users, of any size & depth from solid liquid/liquid mud etc, and removing sludge outside of Defence land including pumping out liquid and liquid sludge with pumping arrangements, labour and machine as required complete all as specified and directed by Engr-in-charge. Note for serial item Nos 01, 02, 03, 04 & 06: Contractor shall arrange the sewage suction machine or sewage pump of minimum 5HP along with the equipments to clean the sewage line, MH, septic tank & soakage well etc. by super suction machine and cost for the same is deemed to be inclusive in the quoted rates of respective items and no extra payment on this account shall be admissible.

Cleaning and desilting of septic tanks upto 51 to 100 users, of any size & depth from solid liquid/liquid mud etc and removing sludge outside of Defence land including pumping out liquid qnd liquid sludge with pumping arrangements, labour and machine as required complete all as specified and directed by Engr-in-charge.

Cleaning and desilting of septic tanks upto 101-200 users, of any size & depth from solid liquid/liquid mud etc and removing sludge outside of Defence land including pumping out liquid qnd liquid sludge with pumping arrangements, labour and machine as required complete all as specified and directed by Engr-in-charge.

Cleaning and desilting of septic tanks upto 201-300 users, of any size & depth from solid liquid/liquid mud etc and removing sludge outside of Defence land including pumping out liquid qnd liquid sludge with pumping arrangements, labour and machine as required complete all as specified and directed by Engr-in-charge.

Removing plants/herbs grown on duct/wall portion, SWR pipes joint area in multistoried buildings of any storeyed. Cleaning with steel brush and rubbish down all dirt, mud and shabby materials from the SWR pipe joints & duct/wall portion complete and applied neat cement slurry/cement mortar on the leakages of SWR pipe joints /vertical stacks and applying one coat of cement based paints on duct wall portion complete all as specified and directed by Engr-in-charge.

Cleaning and desilting of soakage well of size 3.0m internal dia and depth upto 4.5m from solid liquid/liquid mud, etc. and removing sludge outside of Defence land complete including pumping out liquid and liquid sludge with pumping arrangements, labour and machine as required complete all as specified and directed by Engr-in-charge. Note : The quoted rate is deemed to be inclusive of refilling old usable brick obtained from cleaning of sewage well.

M&L for filling new sewer bricks in soakage well complete all as specified and directed.

Cleaning and desilting of manholes of size not exceeding 1.2m x 1.20m & depth upto 1.5m from solid liquid/liquid mud etc. and removing sludge outside of Defence land complete including pumping out of liquid and liquid sludge with pumping arrangements all as specified and directed by Engr-in-charge.

Cleaning and desilting of manholes of size not exceeding 1.2m x1.20m & depth exceeding 1.5m but not exceeding 3.0 m from solid liquid/liquid mud etc. and removing sludge outside of Defence land complete including pumping out liquid and liquid sludge with pumping arrangements labour and machine as requirement complete all as specified and directed by Engr-in-charge.

Excavating in trenches, n.exc 1.50 m wide & n.exc 1.5 m in depth; for foundation etc. or for shaft, wells, cesspits, manholes, piers holes, etc. n exc 10 sqm on plan and n exc 1.5 m in depth and getting out in soft/loose soil complete all as specified and directed.

All as per item No 10 here in before but depth exc 1.50 m but not exceeding 3.00 m complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm complete all as specified and directed.

Removing excavated material not exc 50 m and depositing where directed at a level not exc 1.50m above the starting point including spreading and levelling complete all as specified and directed.

Demolition and breaking up drain pipes 150mm bore (salt glazed ware, AC or reinforced concrete) set in cement mortar complete all as specified and directed.

Supply and fixing of PVC (SWR) pipe 150 mm bore single socketed, in any length with rubber ring joints, laid in trenches or in floors cement complete all as specified and directed.

Supply and laying of 160 mm Nominal diameter, HDPE of pressure rating of PN 4 as per IS 14333:1996 for sewage line in any length laid in trenches complete all as specified and directed.

M&L for concrete bed to drain pipes including packing under and haunching against the sides of pipe after they are laid and tested in cement concrete 1:3:6 type C2 for 150 mm bore of pipe complete all as specified and directed.

Demolition of cement concrete (reinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed.

Demolition of precast cement concrete block walling set in cement mortar complete all as specified and directed.

M&L for Pre cast cement concrete block masonry with solid block, (1:3:6) type C1 (using 20mm graded stone aggregate), exc.10 cm in width and setting in cement mortar 1:6 complete all specified and directed.

M&L for 15mm thick rendering in CM 1:4 on internal/external wall surfaces finished even and smooth witout using extra cement with using WPC as per manufacturing instruction complete all as specified and directed. Note: WPC shall be measured and paid separetely.

Supply only Water proofing compound

Demolition of cement concrete unreinforced of any description and in any position not otherwise specifically provided for complete all as specified and directed.

M&L for cement concrete 1:4:8, type D2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete complete all as specified and as directed

M&L for PCC 1:2:4 type B0 (using 12.50 mm graded stone aggregate) as in coping benching/haunching, slightly rounded or chamfred angle and throating etc complete all as specified and directed.

M&L for cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-1 smooth finished and reforming benching as required for 150 mm dia of pipe complete all as specified and directed.

M&L for precast RCC type B-1, 1:2:4 (using 20 mm graded aggregate ) as in cover slab set in CM 1:4 including necessary form work if required complete all as specified and directed.

M&L for TMT bars 6 mm to 8 mm dia cut to length bent to shape required including cranking, bending spirally for hooping for columns hooking ends and binding with and including mild steel wire ( annealed) not less than 0.9 mm dia complete all as specified and directed.

M&L for MS deformed or twisted round bars 10mm dia and over, cut to length, bent to shape as required including cranking, bending hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia, complete all as specified and as directed

Taking down soil pipe/rainwater pipes (any size or pattern ), including all fittings, heads, shoes, bends, swannecks, etc. including cleaning or refixing or removal to store (measured overall as fixed along the centre line over fittings and accessories) complete all as specified and directed.

S&F PVC (SWR) pipe 110 mm bore single socketed, in any length with rubber ring joints, laid in trenches or in floors complete all as specified and directed.

S&F PVC (SWR) pipe 110 mm bore single socketed, in any length with rubber ring joints, fixed to walls complete all as specified and directed.

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

S&F PVC (SWR) 110mm bore bends any radius complete all as specified and directed.

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

S&F PVC (SWR) 110mm bore junction single (single T) equal or un equal complete all as specified and directed.

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

S&F PVC (SWR) junction double, (double T) equal or unequal complete all as specified and directed.

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

Surface dressing not exceeding 15 cm deep and getting out in loose/soft soil complete all as specified and directed.

Demolition of cement concrete (un-reinforced) in ground floor and paving not exc. 15cm thickness (below or above ground level) and removing debries from site of work complete all as directed by the Engineer-in-Charge.

M & L for PCC (1:5:10), type E-2 (using 40mm graded stone aggregate), as in foundation, filling and mass concrete complete all as specified and as directed.

M&L for laying/spreading of sand filling to precast concrete interlocking paver block including watering & consolidating complete all as specified and directed.

M&L for Machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade, jointed with grey cement and no pigment complete all as specified and directed.

M&L for cement concrete M-15 (Nominal mix) in edging of path (interlocking paver) and the like including weathering slightly rounded or chamfered angles as directed including form work and finishig all exposed surfaces, complete all as specified and directed.

M & L for Chequered cement concrete tiles with mixture of white and grey cement in equal portions and no pigment, set over screed bed or bedding layer of cemrnt mortar of 1:4 20mm thick for laying floor finishes, jointed and pointed in neat cement slurry in floors complete all as specified and directed.

M&L for 75 mm thick cement concrete type C2 1:3:6 using 20 mm graded aggregate as in plinth protection finished fair and even without using extra cement complete all as specified and directed.

M&L for cement concrete type C2 1:3:6 using 40 mm graded aggregate in surface channels and drains complete all as specified and directed.

Taking down cement or cement lime plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc complete all as specified and directed.

Schedule of Credit

M/S C.M.V CONSTRUCTIONS (BID ID -3309826)

Dream builders (BID ID -3308896)

Kshir Furnishers and Builders (BID ID -3309986)

M/s UB Enterprise (BID ID -3308130)

MOINUL HOQUE CHOUDHURY (BID ID -3308556)