CLEANING OF SEWAGE LINES, CONNECTED MANHOLES AND REPAIR OF SEWAGE LINES AND MANHOLES AT NMS UNDER AGE(I) NABAGRAM

Amount

M&L for removing/bailing out, pumping out all sludge, liquid, solid and waste material from septic tank, pumping into honey sucker mechanical transport vehicle and depositing STP at NMS at distance not execeding 5 Km as directed, including minor repairs on plaster, rungs etc complete all as specified and directed by Engr-in-Charge for the following capacity.

200 Users

150 Users

100 Users

50 Users

25 Users

10 Users

Removing carefully the cover sabs of man holes of any size and shape and removing the scum/sludge including any organic or inorganic matters to a distance exc 250 and not exc 500 mtrs, sprinkling liberally beaching powder on the surfaces of solid waste so deposited and setting the man hole cover in position in CM (1:6) after cleaning the sludge for the following depth of man holes (Manhole cover if provided new shall be measured & paid seperaterly).

Upto 1.5 m depth.

Exc 1.5 m but not exc 3 m depth.

Cleaning of blocked sewage drain pipe of the following dia by means of roding till flow of sewage/sludge water is smooth including taking out all sludge /silt/liquid/mud from the man holes & removing and depositing the same at a distance exc 250 m and n.exc 500m including taking out MH covers carefully and refixing the same as per existing pattern all as directed by Engr-in-Charge.

100 mm bore

150 mm bore

200 mm bore

Cleaning and removing of blockage from WC upto first manhole removing all silt, liquid mud from the pipe line by roding etc and depositing the same at a distance n.exc 500 m all as directed by Engr-in-Charge.

Cleaning and removing of blockage from floor trap upto first manhole removing all silt, liquid mud or any other foreign materials by roding etc and removing the same at a distance n.exc 500 m all as directed by Engr-in-Charge.

Excavation in trenches, not exceeding 1.5 M wide and not exceeding 1.5 M depth for foundaton pipe line etc and getting out in soft/loose soil all as specified and directed by Engr-in-Charge.

Excavation in trenches, not exceeding 1.5 M wide and exceeding 1.5 M but not exceeding 3.0 M depth for foundaton pipe line etc and getting out in soft/loose soil all as specified and directed by Engr-in-Charge.

Dismantling of sewage pipe of 200 mm bore of any description and set in cement mortar including taking out from trenches etc, complete all as specified and directed.

All as per item No 8.00 above but 150 mm bore pipe

All as per item No 8.00 above but 100 mm bore of pipe fixed on wall or laid in trenches all as specified and directed.

All as per item No 8.00 above but 80 mm bore of pipe fixed on wall or laid in trenches all as specified and directed.

M&L for 200 mm bore reinf concerete pipes class NP2 laid and jointed complete with collars complete all as specified and directed.

All as per item No 12.00 above but 150 mm bore pipe.

All as per item No 12.00 above but 100 mm bore pipe.

All as per item No 12.00 above but 80 mm bore pipe.

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 round section) in cement concrete 1:2:4 type B1 smooth finished and reforming benching as required for following dia of pipe.

For 200 mm bore

For 150 mm bore

For 100 mm bore

For 80 mm bore

M&L for PCC bed 1:3:6 type C2 to drain pipes including packing under and haunching against the sides of pipe after they are laid and tested for 200 mm bore pipes all as specified and directed by Engr-in-Charge.

All as per item No 17.00 above but 150 mm bore pipes.

All as per item No 17.00 above but 100 mm bore pipes.

All as per item No 17.00 above but 80 mm bore pipes.

M&L for cement concrete in foundation mass filling type C-2 (1:3:6) using 40mm graded aggregate etc complete all as specified and directed by Enge-in-Charge.

Dismantling gully trap of any description.

M&L for gully trap 125 mm setting & jointing with solvent cement incl making good the disturbe plinth protection all as specified and directed by Enge-in-Charge.

S&F bend suitable for 200 mm bore reinforeced conc pipe class NP2 as specified and directed by Enge-in-Charge.

All as per item No. 24.00 above but for 150 mm bore pipe

All as per item No. 24.00 above but for 100 mm bore pipe

All as per item No. 24.00 above but for 80 mm bore pipe

Demolition of brickwork or stone /blulder masonry, built in cement mortar including all quoins, arches pillars, etc complete

M&L for brick work with fly ash bricks, straight or curved on plan exc 6 m mean radius built in CM (1:6)

All as per item No. 29.00 above but except bricks

Taking down cement plaster any description incl racking out joints, hacking for key scrubbing down with water,etc

M&L for rendering 15 mm thick in CM 1:3 on concrete/ brick / solid block masonry surfaces as in manhole, septic tank etc finished even and smooth without using extra cement all as specified and directed.

M&L for rendering 15mm thick in CM 1:6 on concrete/ brick / solid block masonry surfaces as in manhole, septic tank, drain wall, retaining wall etc finished even and smooth without using extra cement all as specified and directed.

Removing Excavated soils not exceeding 50 M and depositing where directed at a level not exceeding 1.5 M above the starting point any type of soil all as specified and directed.

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

M & L for applying two coats of cement base paint on new plastered / unplastered surfaces of walls including preparation surface complete all as specified.

M&L for applying one coats of cement based paint including necessary curing and preparation of old wall surfaces of any description complete all as directed

M&L for cutting of small trees/plants at the stem and removal of the roots of plants by using acids, chemical/Burning with blow lamp, cutting around the spout for removing the roots of any size and making good with Cement mortar 1:3 including two coats of cement base paint/acrylic emulsion up to height 4 story complete all as directed by Engr-in-Charge.

Cutting of bushes, grass and tree branches etc all along the manhole lines, along the fencing and around septic tanks etc complete clearing so as to make access to manholes, fencing and septic tanks all as specified and as directed by Engineer-in-Charge.

Demolition of reinforced concrete of any description and in any position as in cover slabs as specified.

M&L for providing precast cement concrete (1:2:4) type B1 as in cover slab for manholes, septic tank and similar work set in cement mortor 1:6 all as specified including necessary form work and placed in position all as directed by Engineer-in-Charge.

M&L for TMT bars of 6 mm to 8 mm dia and over cut to length bent to shape required including cranking, bending spirially and binding with MS wire not less than 0.9mm dia all as specified.

Demolition of cement concrete unreinforced of any description and in any position complete all as specified and as directed by Engineer-in-Charge.

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

M&L for extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, imtred/stopped ends etc

M&L for providing, cement concrete (1:2:4) type B1 using 20 mm graded aggregate in roof kerbs or mud stops, rounded or chamfered in manholes, drains or on edges etc

M&L for plain cement concrete 1:3:6 type C1 (using 20mm grated stone aggregate) as in coping, haunching, benching etc including necessary formwork complete.

M&L for PCC (1:2:4) type B1 using 20 mm graded agg as in walls any thickness size or shape complete all as specified

M&L for formwork to faces of walls and similar work vertical or to batter for rough finished surfaces of concrete flat

Demolition of cement concrete in ground floors and pavings not exceeding 15 cm thickness (below or above ground level)complete all as specificed and as directed.

M&L for 75 mm thick PCC 1:3:6 type C2 using 40 mm graded stone aggregate as in plinth protection etc surface finished even and smooth without using extra cement

Taking down PVC (SWR) pipe of any size or pattern including all fittings, shoes, bends etc complete

PVC (SWR) pipes of 110mm bore single socketed in any length with rubber ring joints fixed to walls etc inclding necessary scaffolding as required and as directed.

-do- All as per item No 53.00 above but for 75 mm bore.

PVC (SWR) pipes of 110 mm bore single socketed in any length with rubber ring joints laid in trenches or floors inclding necessary scaffolding as required and as directed.

-----ditto---- but 75 mm dia pipe.

S & F PVC bends 110 mm bore with access door all as directed.

All as per item No 57.00 above but for 75 mm bore

S & F 110mm bore PVC branch piece single/Y equal/unequal all as specified.

All as per item No 59.00 above but for 75 mm bore

Supply and fix in repair PVC vent cowl of 100 mm bore pipe all as specified and as directed.

All as per item No. 61.00 above but 75 mm bore pipe

SADIA ENTERPRISE (BID ID -3276747)

ANSH CONSTRUCTION (BID ID -3277110)

M.SK CONTRACTOR (BID ID -3271139)

commercial engineering co (BID ID -3277073)