Repair and and maintenance to block type- V qtr. and type-IV qtr. block A and B at Kadma, Jamshedpur (Jamshedpur- BA) (External work)

Amount

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

a) 1:1½:3 (1 Cement: 1½ coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc., up to floor five level, excluding the cost of centering, shuttering and finishing :

a) 1:1½:3 (1 cement : 1½ coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete.

a) Fixed to steel windows by welding.

Providing and fixing ISI marked oxidised M.S. handles conforming to IS:4992 with necessary screws etc. complete :

Providing and fixing oxidised M.S. casement stays (straight peg type) with necessary screws etc. complete.

a) 250 mm weighing not less than 150 gms.

Providing and fixing factory made ISI marked steel glazed doors, windows and ventilators, side /top /centre hung, with beading and all members such as F7D,F4B, K11 B and K12 B etc. complete of standard rolled steel sections, joints mitred and flash butt welded and sash bars tenoned and riveted, including providing and fixing of hinges, pivots, including priming coat of approved steel primer, but excluding the cost of other fittings, complete all as per approved design, (sectional weight of only steel members shall be measured for payment).

a) Fixing with 15x3 mm lugs 10 cm long embedded in cement concrete block 15x10x10 cm of C.C. 1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size)

Providing & fixing glass panes with putty and glazing clips in steel doors, windows, clerestory windows all complete with :

a) 4.0 mm thick glass panes.

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i)Single socketed pipes.

a) 110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion.

a) Single tee with door i) 110x110x110 mm

b) Bend 87.5° i) 110 mm bend

12 mm cement plaster of mix :

a) 1:6 (1 cement: 6 coarse sand)

15 mm cement plaster on rough side of single or half brick wall of mix :

a) 1:6 (1 cement: 6 coarse sand)

12 mm cement plaster finished with a floating coat of neat cement of mix :

a) 1:4 (1 cement: 4 fine sand)

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade

a) New work (Two or more coats applied @ 1.43 ltr/ 10 sqm. over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm).

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade:

a) Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.

White washing with lime to give an even shade :

a) Old work (two or more coats) .

Painting (one or more coats) on rain water, soil, waste and vent pipes and fittings with black anticorrosive bitumastic paint of approved brand and manufacture on old work :

a) 100 mm diameter pipes .

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

a) One or more coats on old work.

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade :

a) Old work (Two or more coats applied @ 1.43 ltr/ 10 sqm) over existing cement paint surface.

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq. meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground , all complete as per directions of Engineer-In-Charge.

a) With cement mortar 1:4 (1 cement : 4 fine sand)

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty:

a) Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm)

Renewal of old putty of glass panes (length) .

Providing and fixing bamboo scaffolding system on the exterior side, up to four story height with staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer-in-charge .The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

Providing and fixing M.S. stays and clamps for sand cast iron/centrifugally cast (spun) iron pipes of diameter :

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall

a) 25 mm nominal outer dia .Pipes.

b) 32 mm nominal outer dia. Pipes.

c) 40 mm nominal outer dia. Pipes.

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work)

a) 25 mm nominal bore

b) 32 mm nominal

c) 40 mm nominal bore

Providing & fixing PTMT gate valve of approved quality and colour.

a) 25 mm n/b

b) 32 mm n/b

c) 40 mm n/b

Easy and adjusting steel glazed window by cleaning, iron filing and oiling etc. and making good the same for easily opening and closing as per direction of E-I-C.

Repairing of existing steel glaged window i/c grill by welding, cutting, painting etc. and refixing of repaired steel glazed window to existing frames, including replacement of hinges with screws, etc. as required, all complete to make openable as per the direction of the Engineer-in-charge.

Removing tree on wall/roof by cutting and providing chemical/ acid, hing and salt to prevent regrowth including cutting and making good the wall etc. as per direction of E-I-C. (Cement concrete & Plaster used for repairing to be paid seperately)