REPAIR/ REPLACEMENT/ CLEANING OF SEWAGE LINE, SEPTIC TANKS/ SOAKWELLS, MANHOLES ETC UNDER AGE B/R-I (AF) UNDER GE(AF) CHABUA

Amount

SCH 'A' PART-I B/R

Cleaning of old septic tank including internal pipe connections etc by removing accummulated sludge, silt and brick bats and waste materials including sludge water and removing to a distance n.exc 50 mtr deposited the same in excavated pit, of appropriate size and covering the pit with excavated earth including disinfecting the covered pit by sprinkling bleaching powder @ 250 gm (approx) in each pit including excavation of earth pit complete all as specified and as directed. (Note :- Excavation and covering the pit with earth and spreading of bleaching powder shall deem to be included in the unit rate).

Taking out sludge from bottom level of sump either by manually or mechanically cleaning the entire depth and washing down with clean water and removing to a distance exe 50m and n exe 100m and burried under earth pits duly covering and taking all precaution so that there is no health hazard occurs complete all as specified and as directed. (Note :- Excavation of pit and covering the pit with earth shall deem to be included in the unit rate).

Cleaning of sewage line including manhole with bamboo splits or any other suitable device by taking out blocked accumulated sludge and all foreign material complete from man holes and removing the same to a distance not exc 50 m depositing sludge in excavated pits covering the pit with excavated earth and disinfecation the covered pit by sprinkling bleaching powder @ 250 gm (approx) in each pit and excavation of pit complete as required including testing for easy flow of effluent by passing water for 100 mm bore SWG drain pipe, complete all as specified and as directed. (Note :- Excavation and covering the pit with earth and spreading of bleaching powder shall deem to be included in the unit rate).

All as per item No 03 (here in before) but 150mm bore complete all as specified and as directed.

All as per item No 03 (here in before) but 200mm bore complete all as specified and as directed.

All as per item No 03 (here in before) but 300mm bore complete all as specified and as directed.

Cleaning of blocked WC, floor trap, Nahani trap, gully trap etc. by means of hand pump, removing alll sludge, brick bats, foreign particles etc. and finally cleaned the WC, floor trap, Nahanitrap, gully trap with cleaned water, complete all as specified and as directed.

M&L for dewatering of septic tank/soak well by using dewatering pumps sets of 7.5 HP capacity having dia of suction & delivery pipe as 4" & 5" respectively complete all as specified and directed by the Engineer -in-charge

Cleaning and removing all side and scales and dirt, etc from PVC tanks having capacity 500 lts at different locations and heights and wash down internal surface thoroughly with bleaching powder and fresh water including removal of tank cover , float valve carefully , refixing the same in position and write the date of cleaning on tank surface complete all as specified and as directed.

Cleaning and removing all side and scales and dirt, etc from PVC tanks having capacity 1000 lts at different locations and heights and wash down internal surface thoroughly with bleaching powder and fresh water including removal of tank cover , float valve carefully refixing the same in position and write the date of cleaning on tank surface complete all as specified and as directed. Note for Ser Item No 1 to 10:- In case of contractor failed to attend the complaint within first 24 hours of receipt of complaint a penalty of Rs 100/- per complaint will be levied from the quoted rate and @ Rs 50/- per next hours each will be levied till complaint resolved. However the decision in this regard by the accepting officer shall be final and binding.

Excavation in trenches not exc 1.5 m wide and not exc 1.5 m in depth and getting out in soft/loose soil as in foundation of manholes and SGWG pipe line complete all as specified and as directed.

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

Returning filling in including spreading, levelling, watering and well ramming in layer not exc 25 cm in soft/loose soil complete all as specified and as directed.

Removing excavated materials to a distance not exceeding 50 m and depositing at a level not exceeding 1.5 m from starting point complete all as specified and as directed.

M&L in repair for salt glazed stone ware drain pipes grade 'A; 100 mm bore laid in trenches and jointed in CM (1:1) including demolition and breking up old drain pipes complete all as specified and directed.

All as per item No 15 (here in before) but 150mm bore complete all as specified and as directed.

All as per item No 15 (here in before) but 200mm bore complete all as specified and as directed.

All as per item No 15 (here in before) but 300mm bore complete all as specified and as directed.

M&L for RCC pipes 300 mm bore, class NP-2,laid and jointed with collars in CM (1:1) including demolition and breaking up old drain pipes complete all as specified and directed.

M&L for PCC (1:4:8) type D2 (using 40 mm graded stone aggregate) as in concrete bed to SGSW drain pipes 100 mm bore including packing under, and haunching against the sides of pipes after they are laid and tested alongwith demolition of existing concrete bed complete all as specified and directed.

All as per item No 20 (here in before) but 150mm bore complete all as specified and as directed.

All as per item No 20 (here in before) but 200mm bore complete all as specified and as directed.

All as per item No 20 (here in before) but 300mm borecomplete all as specified and as directed.

Cutting into existing manholes for connecting new drain, making good to pipe 100 mm bore and rendering cutting out existing benching for and forming branch channel (½ round or ¾ section) in cement concrete 1:2:4 type B-1 (using 20 mm graded crushed stone aggregate) smooth finished, and reforming benching as required complete all as specified and directed by Engr-in-Charge.

Demolition of reinforced cement concrete of any description and in any position no otherwise specifically provided for as in cover slabs (for man holes, septic tank, soak well etc) complete all as specified and as directed.

M&L for precast RCC (1:2:4) nominal mix, type B1, using 20 mm graded stone aggregate as in landing, cover slabs (for man holes, septic tank, soak well etc) chullah hoods, chajjas water troughs, manholes, shelves and similar article set in CM (1:4), complete all as specified and as directed. (Note : Reinforcement shall be measured and paid separately).

S&F for Mild steel TMT bars 6 mm to 8 mm dia, cut tolength, 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 0.9mm dia complete all as specified and as directed.

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

Demolition brick work built in cement mortar of any description Complete all as specified and as directed.

M&L for brick work with sub-class 'B' bricks straight or curved on plan 6 mtr mean radius built in cement mortar (1:6) Complete all as specified and as directed.

M&L for brick work with sub class 'B' bricks, straight or curved on plan exc 6 m mean radius in half brick thick wall built in CM 1:4 complete all as specified and as directed.

M&Lfor rendering 15 mm thick in cement mortar (1:4 ) in brick walls finished even and faircomplete all as specified and as directed.

M&L for cement concrete ( 1:2:4 ) type B-1 using 20 mm graded crushed stone aggregate as in coping/benching complete all as specified and directed.

S&F in repairs vitreous china squatling pan orissa pattern, size 580 x 440 mm white, with integral foot rests, vitreous china 'P' or 'S' trap embedded in a cushion of average 15 cm thick cement concrete 1:3:6 type C-2 (using 40 mm graded crushed stone aggregate), complete all as specified and as directed.

S&F in repairs vitreous china wash down water closet pan (pedestal pattern) coloured (including two Nos fixing bolts including PVC seat cover but excluding flushing cistern and flush pipe) complete including making good to floor with and including fixing of vitreous china P or S trap, complete all as specified and as directed.

Demolition of cement concrete in ground floors and pavings n. exc. 15 cm thick (below or above ground level), complete all as specified and as directed.

M&L for 75mm thick PCC 1:3:6 type C-2 (using 40mm graded crushed stone aggregate ) as in plinth protection /path/hardstanding complete all as specified and directed.

M&L for PCC (1:2:4) type B1 using 20 mm graded crushed stone aggregate as in surface channel and drains 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, mitred/ stopped ends etc. complete all as specified and as directed.

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

S&F in repairs PVC (SWR) pipes 110 mm single socketed, in any length with rubber ring joints, fixed to walls with pipe clips spacing at 1.50 metre c/c including taking down old PVC pipes complete all as specified and directed.

S&F in repairs PVC (SWR) bend any radius, 110 mm dia with acess door with solvent cement joint complete all as specified and as directed.

S&F in repairs PVC (SWR) junction single "T" equal with acess door 110 mm dia with solvent cement joint complete all as specified and directed.

S&F in repairs PVC (SWR) branch piece, single (single Y) equal or unequal 110 mm dia with solvent cement joint complete all as specified and directed.

S&F in repairs for PVC (SWR) pipe 75 mm dia, conforming to IS-13592-1992 type 'B', single socketed in any length with solvent cement joint fixed to walls with pipe clips spacing at 1.50 metre c/c including taking down old PVC pipes complete all as specified and directed.

All as per item No 45 (here in before) but laid in trenches or in floor complete all as specified and as directed.

S&F in repairs PVC (SWR) bend any radius, 75 mm dia with solvent cement joint complete all as specified and as directed.

S&F in repairs PVC (SWR) multi floor trap 75 mm bore outlet with grating and jointing with solvent cement including demolition of concrete if required and making good to surface using PCC 1:2:4 type B1 (using 20mm graded crushed stone aggregate) or CM (1:4) and tiling as required complete all as specified and as directed.

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

S&F in repairs low density polyethylene (LDPE) pipe of pressure rating 6 Kg/Sqcm, 50mm bore including bend and tee, complete all as specified and as directed.

Dismantling floor, hearth or wall tiling incl cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises, complete all as specified and as directed.

M&L non skid cermic coloured tiles (400 x 400)mm and 8mm thick ( square or rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18sqm, in floor etc and jointed in neat cement slurry and pointed in white cement or coloured cement to match the shade of tile including screed bed of mortar 15 mm thick in CM (1:6) complete all as specified and as directed.

M&L for glazed ceramic coloured tiles (any shade) of size 350x250x7mm/ 450 x 300 x 7mm thick for work on vertical surface such as skirting, dado, set & jointed neat in cement slurry and pointed in white or coloured cement to match over and including 10mm thick rendering in CM (1:4)as backing coat cement mortar bedding complete all as specified and as directed.

Supply and fixing in repair 10 litre capacity PVC low level valve less syphonic action type flushing cistern, white, with inlet, ball valve, float and handle including brackets, complete all as specified and as directed.

Supply and fixing in repair Vitreous China Urinal, Half stall type, white (excluding flushing cistern, flush pipe and waste pipe) complete all as specified and as directed.

S&F in repairs OHT cover black colour and binding with using GI wire 2 to 3 mm thick properly with Tank complete all as specified and as directed.

S&F in repair15 mm PVC float valve high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe, complete all as specified and as directed.

S&F in repair 20 mm PVC float valve high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe, complete all as specified and as directed.

M/s Parma Construction (BID ID -3276428)

M/S D P BERLIA (BID ID -3273659)

D.D Construction (BID ID -3273693)

M/S MAHATO ENTERPRISE (BID ID -3273716)

M/S DURGA CONSTRUCTION & CO (BID ID -3273861)

pintoo construction (BID ID -3273665)

M/s KL Agarwalla & Co (BID ID -3273876)