CERTAIN REPAIRS TO SEWAGE SYSTEM, DRAIN. FENCING, HARD STANDING AND ALLIED WORKS TO PASIGHAT AT STATION UNDER GE(AF) CHABUA

Amount

Cleaning of old septic tank including internal pipe connections etc by removing accumulated 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 and all 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 disinfection 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 for 150 mm SGSW drain pipe complete all specified and as directed.

All as per item No 03 here-in-before but for 200 mm SGSW drain pipe complete all as specified and as directed.

Cleaning of blocked WC, floor trap, Nahani trap, gully trap etc. by means of hand pump, removing all sludge, brick bats, foreign particles etc. and finally cleaned the WC, floor trap, Nahani trap, 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 directed.

Cleaning and removing all side and scales and dirt, etc from PVC tanks having capacity 500 ltrs 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 and refixing the same in position complete all as specified and as directed.

Cleaning and removing all side and scales and dirt, etc from PVC tanks having capacity 1000 ltrs 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 and refixing the same in position complete all as specified and as directed.

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 all as required and directed.

M&L for PCC (1:4:8) type D2, using 40 mm graded crushed stone 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 for salt glazed stone ware drain pipes grade 'A; 100 mm bore laid in trenches and jointed in CM (1:1) including demolition and breaking up old drain pipes complete all as specified and directed.

M&L for salt glazed stone ware drain pipes grade 'A; 150 mm bore laid in trenches and jointed in CM (1:1) including demolition and breaking up old drain pipes complete all as specified and directed.

M&L for salt glazed stone ware drain pipes grade 'A; 200 mm bore laid in trenches and jointed in CM (1:1) including demolition and breaking up old drain pipes complete all as specified and 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 along with demolition of existing concrete bed 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 150 mm bore including packing under, and haunching against the sides of pipes after they are laid and tested along with demolition of existing concrete bed 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 200 mm bore including packing under, and haunching against the sides of pipes after they are laid and tested along with demolition of existing concrete bed complete all as specified and 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 all as specified and directed.

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

M&L form work to soffits of suspended slab such as roof slab and similar work n.exc 200 mm thick (horizontal or slopping) fair finished flat surface complete all as specified and as directed.

M&L form work to edges of concrete flats, treads, break in floor & roofs n.exc 20 cm wide horizontal or sloping and similar works complete all as specified and as directed.

S&F for Mild steel 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 0.9mm 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 of 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&L for rendering 15 mm thick in cement mortar (1:4 ) in brick walls finished even and fair complete 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.

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

M&L for 75 mm thick PCC (1:4:8) type D-2 using 40 mm graded coarse aggregate in sub base under flooring complete all as specified and as directed.

M&L for machine pressed coloured, glossy finish precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade with grey cement and pigment over 30 mm thick sand cushioning 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 access door with solvent cement joint complete all as specified and as directed.

S&F in repairs PVC (SWR) junction single "T" equal with access 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.

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.

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/hard standing 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.

Dismantling of old barbed wire of any description from RCC/Steel fencing post complete all as specified and as directed.

S&F galvanized, 2 strand, steel barbed wire 2.24 mm dia barbed with 2 mm dia barbs at 75 mm spacings and straining and fixing to fencing post including securing or tying at crossings with steel pins etc complete all as specified and directed. Note:- Each line of wire shall be measured.

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

S&F MS framed work such as grills, door or gates with orramentaled intricate design gratings. Etc., with ends of bars shouldered and/or riveted, or forged into spikes framed guard bars barred iron doors, ladders, railings & similar works conforming to Fe-410-0 or 310-0 complete all as specified and as directed.

S&F posts and struts in fencing including cutting tops to shape as required, drilling holes, notching for wire etc; flat iron fillets (for securing wire mesh etc) including all necessary drilling, bolting or riveting, etc , and similar work confirming to Fe-290 Gde E-165 complete all as specified and as directed.

M&L for dismantling steel gate and refixing in same opening duly adjusting, welding, and straighten the bend portion and making serviceable all as specified and directed.

M & L preparation of steel and iron surfaces and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

Supply and fix for concertina coil razor type fixed with galvanized "J' clips, with angle iron of the following specifications:- (a) Dia of coil when untreated - 600 mm (b) No of circles - 50 per coil (c) Nos of razor per RM - 160 (d) Weight of each coil - 8 Kg (e) Coverage per coil - 6 m (f) Central ore wire - Made from high tensile spring steel core wire conforming to IS-4454 duly hot dipped galvanized (conforming to IS-2629) with diameter 2.50 m + 0.05 mm, UTS 145-160 Kg/Sqmm, Zinc coating 250-300/ Per sqm. (g) Strip:- Electro galvanized steel strip 0.50 mm + 0.02 mm thick, width 19 mm (before wrapping on central core wire), conforming to IS-1573, Zinc coating-120 gm/Sqm and bituminized dipped, width of barbs 1.50 mm, pitch of barbs 25.40 mm + 0.20 mm. (h) Handle and spikes to be provided as required.

Schedule of Credit

M/S DURGA CONSTRUCTION & CO

M/S MAHATO ENTERPRISE

D.D Construction

M/s KL Agarwalla & Co

J D construction

M/s Krishna Construction