ADDN/ALTN TO SEWAGE SYSTEM AT AF STN HASIMARA UNDER GE (AF) HASIMARA.

Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender documents & all corrigendum/amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading of incorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Fixed credit has been given in technical documents which shall be taken into account during acceptance of bid/tender.

Surface excavation n. exc 30 cm deep and averaging 15 cm deep and gettiing out in soft/loose complete all as specified and directed.

Excavating in trenches, n. exc. 1.5 m wide and n. exc. 1.5 m in depth, for foundations, etc., or for shafts, wells, cesspits, manholes, pier holes, etc., n. exc. 10 sqm on plan, and getting out in soft/loose soil complete all as specified and directed.

Excavation in trenches, exc. 1.5 m deep and n. exc. 3.0 m deep, and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers n exc. 25 cm complete all as specified and directed.

Removing excavated soil to a distance n exc. 50 m and depositing where directed, at a level n exc. 1.5 m above the starting point complete all as specified and directed.

De-watering/Bailing out of contaminated/sewage water, including other foreign materials, from septic tanks/manholes/soakage wells of any dia and any depth, by mechanical equipment means using monoblock/sewage pump, etc., after plugging of incoming sewage lines and throwing/removing contaminated/sewage water into low-lying non-residential area or into drains/nallah or removing outside MoD land, and spreading unslacked lime to disinfect the area cleaned, complete all as specified and directed. Note: (a) Contractor will carry out the job with all safety precautions/barricades/sign boards. (b) The rate includes removing and refixing of manhole covers and removal of vegetation/small trees, mud, garbage, waste to access manhole from road.

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

Demolition and breaking up 100 mm dia drain pipes (salt glazed ware, AC or reinforced concrete set in cement mortar), separation of serviceable materials from the unserviceable, stacking the serviceable materials within 100 m, and disposal of unserviceable materials, debris and rubbish to a distance not exceeding 100 m, complete all as specified and directed.

Demolition and breaking up 150 mm dia drain pipes (salt glazed ware, AC or reinforced concrete set in cement mortar), separation of serviceable materials from the unserviceable, stacking the serviceable materials within 100 m, and disposal of unserviceable materials, debris and rubbish to a distance not exceeding 100 m, complete all as specified and directed.

Demolition and breaking up 200 mm dia drain pipes (salt glazed ware, AC or reinforced concrete set in cement mortar), separation of serviceable materials from the unserviceable, stacking the serviceable materials within 100 m, and disposal of unserviceable materials, debris and rubbish to a distance not exceeding 100 m, complete all as specified and directed.

Demolition and breaking up 300 mm dia drain pipes (salt glazed ware, AC or reinforced concrete set in cement mortar), separation of serviceable materials from the unserviceable, stacking the serviceable materials within 100 m, and disposal of unserviceable materials, debris and rubbish to a distance not exceeding 100 m, complete all as specified and directed.

M&L for 100 mm dia salt glazed stoneware drain pipes, Grade “A”, laid in trenches and jointed in cement mortar and tested, complete all as specified and directed.

S&F reinforced concrete pipes, Class NP3, laid and jointed complete with collar, for 150 mm dia bore complete all as specified and directed.

S&F reinforced concrete pipes, Class NP3, laid and jointed complete with collar, for 200 mm dia bore complete all as specified and directed.

S&F reinforced concrete pipes, Class NP3, laid and jointed complete with collar, for 300 mm dia bore complete all as specified and directed.

M&L for PCC (1:3:6), Type C2, using 40 mm graded stone aggregate, in concrete bed to drain pipes, including packing under and haunching against the sides of pipes, after they are laid and tested, for 100 mm bore of pipe complete all as specified and directed.

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

M&L for PCC (1:3:6), Type C2, using 40 mm graded stone aggregate, in concrete bed to drain pipes, including packing under and haunching against the sides of pipes, after they are laid and tested, for 200 mm bore of pipe complete all as specified and directed.

M&L for PCC (1:3:6), Type C2, using 40 mm graded stone aggregate, in concrete bed to drain pipes, including packing under and haunching against the sides of pipes, after they are laid and tested, for 300 mm bore of pipe complete all as specified and directed.

Demolition of brickwork or stone/boulder masonry, built in cement mortar, including all quoins, pillars, manholes, etc., separation of serviceable materials from the unserviceable, stacking the serviceable materials within 100 m, and disposal of unserviceable materials, debris and rubbish to a distance not exceeding 100 m, complete all as specified and directed.

M&L for brickwork with sub-class ‘B’ bricks, straight or curved on plan, exceeding 6 m mean radius, built in cement mortar (1:4) complete all as specified and directed.

M&L for brickwork with sub-class ‘B’ bricks, straight or curved on plan, exceeding 6 m mean radius, built in cement mortar (1:4), but except bricks (bricks shall be obtained from demolition; unit rate for cleaning of old bricks shall be included in this item) complete all as specified and directed.

M&L plain cement concrete, Type B-0 (1:2:4), using 12.5 mm graded stone aggregate, cast in situ in copings, bed plates, water troughs and the like, including weathering, slightly rounded or chamfered angles and throating, including use and waste of formwork complete all as specified and directed.

M&L for cement concrete, Type C-2 (1:3:6), using 40 mm graded stone aggregate, in surface channels, drains and manhole foundations, etc complete all as specified and directed.

M&L extra for forming fair-finished drain or channel, n.exc. 30 cm inner girth, in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends, etc complete all as specified and directed.

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

M&L for rendering 15 mm thick on fair faces of brickwork or concrete surfaces in CM (1:4), finished even and smooth without using extra cement, including mixing of waterproofing compound wherever required complete all as specified and directed. Note:- WPC measured and paid separately.

M&L for rendering 15 mm thick on other than fair faces of brickwork or concrete surfaces in CM (1:4), finished even and smooth without using extra cement complete all as specified and directed.

M&L for preparing newly plastered wall surfaces and applying three coats of whitewash, including preparation of surfaces complete all as specified and directed.

Supply only integral waterproofing compound of approved quality complete all as specified and directed.

Cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching and forming branch channel (½ round or ¾ round section) in cement concrete (1:2:4), Type B-1, smooth finished and reforming benching, for 150 mm dia pipe complete all as specified and directed.

Cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching and forming branch channel (½ round or ¾ round section) in cement concrete (1:2:4), Type B-1, smooth finished and reforming benching, for 200 mm dia pipe complete all as specified and directed.

Cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching and forming branch channel (½ round or ¾ round section) in cement concrete (1:2:4), Type B-1, smooth finished and reforming benching, for 300 mm dia pipe complete all as specified and directed.

Demolition of reinforced cement concrete of any description and in any position, including disposal of unserviceable materials, debris and rubbish to a distance n exc. 100 m; reinforcement cut as required to facilitate demolition complete all as specified and directed.

M&L for precast reinforced cement concrete (1:2:4), Type B-1, using 20 mm graded stone aggregate, as in cover slabs for manholes, etc., and similar articles, with plain faces, set in cement mortar (1:4) complete all as specified and directed.

M&L for mild steel TMT bars, 10 mm dia and over, cut to length, bent to shape, including cranking, spiral bending for hooping, hooking ends and binding with annealed mild steel wire n.exc. 0.9 mm dia, or securing with clips complete all as specified and directed.

Taking down PVC/CI (SWR) pipes, 110 mm dia, from floors or walls complete all as specified and directed.

Taking down PVC/CI (SWR) pipes, 75 mm dia, from floors or walls complete all as specified and directed.

S&F 110 mm bore PVC SWR pipe, single socketed, in any length, with rubber ring joint, fixed to wall including clamps complete all as specified and directed.

S&F 75 mm bore PVC SWR pipe, single socketed, in any length, with rubber ring joint, fixed to wall including clamps complete all as specified and directed.

S&F 75 mm bore PVC (SWR) bends, ‘Y’ junctions, etc complete all as specified and directed.

S&F 110 mm bore PVC (SWR) bends, ‘Y’ junctions, etc complete all as specified and directed.

S&F cast iron pipe covers fitted by screws (oval/round) for 100 mm dia CI vertical stacks complete all as specified and directed.

S&F in repairs 1.25 mm thick mild steel plain sheet, as in wall cladding, eaves gutter, steel gates and similar work, including necessary screws, clout nails or rivets, fixed to wood/steel framing or roof sheet, including bending or turning up, mitred angles, etc., complete all as specified and directed.

Demolition of cement concrete (un-reinforced) of any description and in any position, not otherwise specially provided for, and disposal of unserviceable materials, debris and rubbish to a distance n.exc. 100 m, complete all as specified and directed.

M&L for 75 mm thick cement concrete 1:3:6, Type C-1 (using 20 mm graded crushed stone aggregate), as in plinth protection, laid in alternate bays (n.exc. 2 Sqm each), finished even and smooth without using extra cement, including providing joints throughout the thickness filled with mastic filling comprising one part bitumen 85/25 grade and three parts sand by weight, complete all as specified and directed.

Taking down chowkat with shutter (without taking off shutter from the frame), area n.exc. 1.5 Sqm each, complete all as specified and directed.

Taking down chowkat with shutter (without taking off shutter from the frame), area exc. 1.5 Sqm and n.exc. 4 Sqm each, complete all as specified and directed.

S&F steel windows with side-hung shutters, including projecting type hinges, steel handle and steel peg stay, complete with glazing bars dovetailed or welded, complete all as specified and directed.

S&F steel windows with side-hung shutters, including projecting type hinges, steel handle and steel peg stay, complete without glazing bars dovetailed or welded, complete all as specified and directed.

S&F steel ventilator with top-hung shutter, including hinges and steel peg stay, complete all as specified and directed.

S&F 3 mm thick plain sheet glass, ordinary quality, and glazing with oil putty, in squares n.exc. 0.5 Sqm in each pane, complete all as specified and directed.

S&F stainless steel wire cloth, 0.36 mm nominal dia of wire and average width of aperture 1.40 mm, fixed with stainless steel wire staples, complete all as specified and directed.

S&F mild steel framed work such as grills, gratings, etc., with ends of bars shouldered and/or riveted or forged into spikes; framed guard bars; grills in manholes; barred iron doors; ladders; framed balusters; rungs; walkways; railings; framework of water tanks, posts and similar work, conforming to Fe 290, Grade E-165, complete all as specified and directed.

Excavating in post holes (or similar holes) each n exc 0.5 cum, getting out, returning, filling in soft/loose soil and removal to a distance n exc. 50mtr complete all as specified and directed.

Dismantling fencing wire mesh any type including fillets and removing from site complete all as specified and directed.

Dismantling post or struts (wood, steel or R.C.C) any section, including taking out embedded portion in concrete and making good disturbed ground complete all as specified and directed.

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

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

S&F Mild steel bolts purpose made with hexagonal or square head one end and screwed the other, or screwed both ends; each screwed end to be fitted with washers and one hexagonal or square nut, n exc 15 cm long & dia of neck in mm n exc. 12mm complete all as specified and directed.

Supply only chain link fencing made out of GI wire dia not less than 3.15mm dia hot dipped galvanised iron wire mesh of any size made up to into mattress of cages complete all as specified and directed. Note:- Per meter weight of chain link brought by the contractor shall be fixed through a BOO.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provision of binding wire etc. complete all as specified and directed.

M&L for mild steel round bars 10mm dia, and over cut to length, bent to shape required, crancking, bending spirally for fencing and binding/fixing with mild steel wire (annealed) not less than 0.9mm dia, or securing with clips complete all as specified and directed.

S&F Galvanised 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75 mm spacings and straining and fixing to any type of standard rails straining bolts, including, securing or tying at crossings with and provision of galvanised mild steel wire, staples or steel pins, etc complete all as specified and directed. Note:- Each line wire to be measured.

M&L for preparing of new steel & iron surfaces of any description, not otherwise described, over 10cm width or girth and applying two coats of synthetic enamelled paint over a coat of Red oxide primer zinc chrome complete all as specified and directed.

S&F framed work such as grills, gratings, etc.. With ends of bars shouldered and /or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders;framed balusters;walk ways; railing; framework of water tanks and similar work conforming to Fe.290. Gde-E-165 complete all as specified and directed.

M&L Hardcore of gauge exc 63mm but n exc 100 mm of broken stone of boulders,deposited, spread and levelled in layers n.exc 15 cm thick,watered and rolled/rammed to a true surface complete all as specified and directed.

M&L 75mm thick cement concrete type C2 (1:3:6) (40mm graded aggregate) as in sub base complete all as specified and directed.

M&L for sand cushioning as in bedding for laying of tiles complete all as specified and directed.

M&L 60mm thick machine pressed precast concrete interlocking paver block coloured with grey cement and pigment of any shape and size confirming to IS 15658-2006, M-35 grade laid over sand cushioning complete all as specified and directed.

M&L for chequered cement concrete tiles 20cmx20cmx25mm thick, set, joined and pointed in neat cement slurry in floors with white cement & pigments of same colour including 15mm screed bed of CM (1:6) all complete all as specified and directed.

M&L for plain cement-concrete (1:2:4) type B-1 (using 20mm graded stone aggregate) as in benching, coping, bed plate, lintel upto 1.5m span cast in situ including necessary form work complete all as specified and directed.

Supply, installation, commissioning & testing of non-clogging motor-coupled vertical open well submersible pump, 3 phase, 415 V, 50 Hz, 2900 RPM, of capacity 5.50 kW (7.5 HP), including tee, bend, flange, socket/spigot, reducer, or accessories of suitable size to match the existing bend, taking down old pump and motor, complete all as specified and directed.

S&F fully automatic star-delta starter, in steel sheet metal enclosure type, with single-phase preventer, suitable for submersible pump motor capacity up to 7.5/10 HP, 415 V, 50 Hz, 3 phase, relay range 6–10 Amp, complete all as specified and directed.

S&F PVC insulated, PVC sheathed, stranded copper conductor in flat submersible waterproof cable of size 4 sqmm, 3 core, 1100 V, including taking down old one, complete all as specified and directed.

S&F mild steel column pipe, 80 mm bore, heavy duty, having wall thickness 5.4 mm (3.0 m / 1.524 m long), both ends threaded with one socket, conforming to IS:1239 (Part-I) 1979, including painting with two coats of black bituminous paint over a coat of red oxide primer, internally and externally, including taking down old unserviceable pipe, complete all as specified and directed.

S&F cast iron sluice valve, 80 mm bore, in any position, double flanged, complete with brass spindle, iron wheel handle, clockwise closing, with drilled holes, flanged heavy duty PN 1.6, including rubber gasket, nuts, bolts and washers, complete all as specified and directed.

All as per item 78.00 but of size 100 mm, complete ditto.

All as per item 78.00 but of size 150 mm, complete ditto.

Dismantalling of angle iron or mild steel of any description complete all as specified and directed.

M&L for mild steel work comprising angle iron, MS sheet, bracing, supports, clamps and back plates, fabricated from structural steel sections, including nuts, bolts and washers, welding, bending (cold or hot), drilling holes for bolts, in any shape (including making chain for hanging of pump) or size, as indicated or directed, and inclusive of one primer coat and one coat of synthetic enamelled paint, complete all as specified and directed.

Taking out sluice valve of size 100 mm dia, complete all as specified and directed.

Taking out sluice valve of size 150 mm dia, complete all as specified and directed.

M&L for earthing complete with galvanised steel earth plate electrode, 60 × 60 cm × 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level), with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised earth strip 25 × 4 mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel, all as shown in Electrical Plate No. 5, connected to earthing test point, all as specified or indicated, including testing on completion and demolition of existing unserviceable earthing as directed (02 Nos of earthing each for pump and starter).

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