CA NO. GE (I) (AF)/SHL/ OF 2021-22 REPAIR TO SUNKEN FLOOR, TILING, GI TUBING AND PVC TANKS OF OTM AND MD ACCN AT AF STN LAITKOR PEAK, UNDER GE(I) (AF) SHILLONG

Amount

B/R ITEMS Demolition of Roofs, floors (other than ground floors), beams, staircases, landing, chajjas and similar suspended work and removal all rubbish material complete all as specified directed.

Taking down chowkats with shutters (without taking off shutters from the frames) & removing from site area n.exc 1.5 Sqm each complete all as specified and directed.

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

Taking down cement or cement lime plaster any description, on brick or stone walls, etc. including raking out joints, hacking for key & scrubbing down with water, etc. & removing rubbish off the premises, complete all as directed.

Taking up or down steel tubing and connections alongwith bib tap, stop cocks and other fittings including cleaning for refixing or removal complete all as specified and directed :-

15mm bore.

20mm bore.

Dismantling water tank of capacity exceeding 250 Ltrs but not exceeding 500 Ltrs and removal from site complete all as specified and directed .

Dismantling of PVC(SWR) drain pipe alongwith fittings and accessories and taking out from walls, floors or from trenches, if required complete all as specified and directed for following sizes:- (Note :- The length shall be measured along the centre line including fittings and accessoires}.

75mm dia

110mm dia

M & L for cutting holes into stone walls built in cement mortar or in cement lime mortar for inserting holdfasts and making good dismantled portion in cement mortar 1:3 or cement concrete 1:2:4 Type B-1 exc. half brick but not exc.one brick complete all as directed.

S & F Solid PVC Door Frame of size 50mm x 47mm made out of 5mm thick plain colour PVC sheet reinforced with mild steel square tube, In opening complete all as per specifications and drawings as applicable to item 08095 given in SSR Part – II (2010).

S & F for Factory made solid panel PVC door shutter 30 mm thick (style) consisting of frame made out of M.S. tubes for top & bottom rails mild steel frame shall be covered with heat moulded plain colour PVC ‘C’ channel having a PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheets for top rail, lock rail & bottom rail on either side & as gap insert for top rail & bottom rail; panelling of plain colour PVC sheet to be fitted in the M.S. frame welded / sealed to the stiles & rails with suitable PVC sheet beading, and joined together with solvent cement, suppy and fixing in the frame at site complete all as per specifications and drawings as applicable to item 08080 given in SSR Part–II.

S & F butt hinges, medium weight, colled rolled mild steel & ISI marked complete all as specified and directed for following sizes:-

100mm long.

S & F 200mm long aluminium anodized barrel tower bolt of extruded section ISI marked complete all as specified and directed.

S & F 125mm size extruded aluminium alloy handles, fabricated type, anodised, ISI marked complete all as specified and directed.

S&F mild steel flat, round or square bars conforming to Fe-410-W (Gde-E-250) quality 'A' in available lengths including all necessary drilling, reveting and bolting etc complete all as specified and directed.

M & L for Bitumen blown of any grade, applied hot two coats to concrete surfaces @ of 1.5 kg/sqm per coat complete all as specified and directed.

M & L for 20 mm thick screed bed or bedding layer in cement mortar 1:6 for laying floor finishes complete all as specified and directed.

M & L for 40mm thick cement concrete type B-1, 1:2:4 (using 20 mm graded stone aggregate) as in flooring laid adopting panel dimension not exceeding 1200mm x 1200mm, finished even and smooth using extra cement complete all as specified and directed. Note:-Glass dividing strips shall be measured and paid for separately as "Supply only” under respective item of this BOQ.

Supply only glass dividing strips 38mm wide, 3mm thick and inserted in position complete all as specified and directed.

M & L for non skid ceramic tiles (coloured) 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm as in floors, set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles complete all as specified and as directed.

M & L for rendering 5mm thick in CM 1:3 on concrete surface of ceiling, finished even and smooth without using extra cement complete all as specified and directed.

M & L for rendering 10mm thick in cement mortar 1:3 on fair faces of brick or concrete surfaces finished even and rough for receiving wall tiles/dado complete all as specified and directed.

M & L for rendering 10 mm thick on fair faces of brick masonry/ concrete surface in CM (1:4), finished even and smooth without using extra cement complete all as specified and directed.

M & L for glazed ceramic tiles (coloured) 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm as on vertical surfaces such as skirting or dado set & jointed in neat cement slurry & pointed in coloured cement to match the shade of tiles complete all as specified and directed.

M & L for glazed ceramic tiles (coloured) 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm as on vertical surfaces such as skirting or dado set & jointed in neat cement slurry & pointed in coloured cement to match the shade of tiles complete all as specified and directed.

M & L for preparing newly plastered surfaces and applying three coats of white wash on walls complete all as specified and directed.

M & L for preparing newly plastered surfaces and applying three coats of white wash on ceiling/soffits of chajjas complete all as specified and directed.

M & L for preparing old or previously treated walls surfaces by brooming down or with steel wire brushes, scrapping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots and applying one coat of white wash on walls complete all as specified and directed.

M & L for preparing old or previously treated ceilings surfaces by brooming down or with steel wire brushes , scrapping down smoke soot, moulds, moss and efflorescent salts and trading oil and greasy spots and applying one coat of white wash on ceilings complete all as specified and directed.

S & F PVC (SWR) pipes single socketed in any length with rubber ring joints laid in trenches or in floors complete all as specified and directed for following sizes:-

75mm bore

110mm bore

S & F PVC (SWR) bend of any radius complete all as specified for following sizes:-

75mm bore

110mm bore

S & F PVC (SWR) bend of any radius with oval access door complete all as specified for following sizes:-

75mm bore

110mm bore

S & F in repairs cast iron floor trap 100mm dia outlet plain with stainless steel grating including jointing to waste pipe fixed in cement concrete 1:2:4, type B-1 complete all as directed.

S&F steel water tubing, galvanized, medium grade, with all fittings, fixed to walls and ceiling or in floor complete all as specified and directed for following sizes:-

15mm bore.

20mm bore.

S & F 15mm bore bib tap cast copper alloy fancy type chromium plated long body with crutch or butterfly handle screwed down, screwed for iron pipe or for brass ferrule complete all as specified and directed.

S & F 15mm bore stop valve cast copper alloy chromium plated, fancy type screwed down high pressure long shank and cup concealed type with crutch or butterfly handle screwed both ends for iron pipe or for union complete all as specified and directed.

S & F in repairs PVC connection pipe 15mm dia with PTMT nuts of length 600mm complete all as specified and directed.

S & F in repairs white Vitreous china wash down water closet pan (pedestal pattern) including plastic water closet seat, white/black, closed pattern with flat bottom and cover and mild steel chromium plated or aluminium hinging device including flush pipe and fixing bolts (excluding flushing cistern) etc complete all as specified and directed.

S & F in repairs vitreous China squatting pan (Orissa pattern) water closet (white) of size 580 mm x 440 mm with integral foot rests, 'P' or 'S' trap, including connection to trap, flushing pipe and antisyphonage pipe etc and including provision of PCC (1:5:10) type E-2 lean concrete in filling, making good to floor (excluding flushing cistern and flush pipe etc) complete all as specified and directed.

S&F in repairs, PVC low level cistern 10 litres capacity, valve less, symphonic action type with float, handle including 32mm dia PVC flush pipe of polyethylene of low or high density & bracket etc complete all as specified and directed.

S & F in repairs plastic water closet seat, white/black, closed pattern with flat bottom and cover and mild steel chromium plated or aluminium hinging device complete all as specified and directed.

S & F 20mm dia, PTMT ball valves (Minimum weight 210gms), high pressure, with epoxy coated Aluminium rod & highdensity plastic ball screwed for iron pipe and fixed complete all as specified and directed.

S & F 500 litres capacity rotational moulded HDPE water storage tank tripple layer (Cylinderical vertical with closed top) hoisted and fixed in position complete all as specified and as directed. Note : PVC tanks shall be ISI marked and having two layers.

Disconnecting existing PVC/PCC tanks, setting aside (or lowerring if required) for repairs, cleaning and removing all scale and dirt etc using bleaching powder from tanks and from mouths of circulating pipe etc and hoisting if required reconnecting and refixing in position for tanks of capacity exc 250 litres and not exc 500 litres all as specified and directed.

R K CONSTRUCTION