SPL REPAIR TO ROOF OF MARRIED QUARTERS AND CERTAIN MINOR WORKS AT AF STN BARRACKPORE

Amount

Demolition of cement concrete (reinforced) of any description and in any position not otherwise specifically provided including reinforcement cut as required to facilitate demolition and removing debries from site of work complete all as directed.

Taking down cement plaster of any description built in cement mortar on brick or stone walls etc including racking out joints, hacking for key, scrubbing down with water etc. and removal of rubbish from the site complete all as specified and as directed.

Material and labour for pre-cast RCC (1:2:4) type B0 (using 12.50 mm graded stone aggregate) in landings, cover slab, chulla hoods, chajjas, water troughs, shelves and similar articles of any thickness and size and set in cement mortar (1:4) including necessay formwork complete all as specified and directed.

Supply only liquid water proofing compound (WPC) complete all as specified and directed.

Supply and fix mild steel screw bolts diameter of neck 16 to 20mm (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt exc 22.5cm and n exc 30cm long complete all as specified and directed.

Material and labour for mild steel TMT bars 10 mm dia and over, cut to length, bent to shape required including cranking, bending spirally for hooping for columns and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips complete all as specified and directed.

Material and labour for 75mm thick PCC (1:3:6) type C-2 (using 40mm graded stone aggregate) as in flooring, paving, plinth protection etc including finishing the concrete surface even and smooth without using extra cement complete all as specified and directed.

Material and labour for 15mm thick rendering in cement mortar (1:4) on fair faces of brick work and finish the surfaces fair and even as in wall complete all as specified and directed.

Material and labour for 5mm thick rendering on concrete surfaces in cement mortar (1:3) and finish the surfaces even and smooth without using extra cement as in ceiling complete all as specified and directed.

Taking down existing roof treatment includding PCC padding of any description and roughening surface of old roof by picking, sweeping clean and washing down with water to remove dust, etc. including removing debris from site complete all as specified and directed.

Material and labour for cutting out cracks to V-section in existing roof or terracing, cleaning out wetting, grouted with crack filling epoxy material complete all as specified and as directed.

Material and labour for 15mm thick screed bed in cement mortor (1:4) on RCC roof slab including water proofing compound @ 200 ml per bag or as per manufacturer instruction and finishing the surface fair and even complete all as specified and as directed. Note : WPC will be measured and paid separately under respective item.

Material and labour for water proofing treatment to RCC roof surface incl parapet comprising with the following course of treatment/specifications from bottom to top :- (a) Applying cold bituminous primer @ 0.25 liters per sqm confirming to IS 3384-1986 over plastered surfaces of roof incl parapet surfaces. (b) One layer of APP based polymeric membrane of approved manufacturer, 3mm thick, weight not less than 3.50 kgs per sqm, reinforced with non woven polyester fabric (weight not less than 160 gms per sqm). Polymeric membrane shall take to a height of 60 cm (minimum) and then inserted inside the groove of parapet wall and shall be finished by a membrane flashing. (c) Applying two coats of aluminum paint @ 0.10 Kg / Sqm per coat on top of APP membrane. Note: (i) Laying of APP based polymeric membrane shall be done by torch on method or as per manufacturers instructions. (ii) A minimum overlap of 100mm and 75mm should be made in the end and sides of the polymeric membrane respectively and sealed all overlaps and joints as manufacturers instructions.

Material and labour for preparation of new plastered surfaces of ceiling and applying three coat of white wash complete all as specified and directed.

Materials and labour for preparation of new plastered surfaces of walls and applying two coats of cement base paint over a coat of alkali resistance primer complete all as specified and as directed.

Taking up or down 15 mm bore steel tubing and connections, including cleaning for re-fixing or removal from site complete all as specified and directed.

Refixing only 15 mm dia old steel tubing and connection in new or old position (wall,floor,ceiling etc) complete all as specified and directed.

Supply and fix 15 mm GI tubes (medium grade) with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed.

Taking up or down 20 mm bore steel tubing and connections, including cleaning for re-fixing or removal from site complete all as specified and directed.

Refixing only 20 mm dia old steel tubing and connection in new or old position (wall,floor,ceiling etc) complete all as specified and directed.

Supply and fix 20 mm GI tubes (medium grade) with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed.

Taking up or down 25 mm bore steel tubing and connections, including cleaning for re-fixing or removal from site complete all as specified and directed.

Refixing only 25 mm dia old steel tubing and connection in new or old position (wall,floor,ceiling etc) complete all as specified and directed.

Supply and fix 25 mm GI tubes (medium grade) with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed.

Taking up or down 50 mm bore steel tubing and connections, including cleaning for re-fixing or removal from site complete all as specified and directed.

Refixing only 50 mm dia old steel tubing and connection in new or old position (wall,floor,ceiling etc) complete all as specified and directed.

Supply and fix 50 mm GI tubes (medium grade) with all fitting and fixed complete to walls and ceilings or laid in floors complete all as specified and directed.

Supply and fix in repair 110mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints etc fixed to walls or laid on floors complete all as specified and directed.

Disconnecting existing tanks of capacity exc 250 ltrs and n exc 500 ltrs, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position complete all as specified and directed.

Disconnecting existing tanks of capacity exc 500 ltrs and n exc 1000 ltrs, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position complete all as specified and directed.

Supply, hoist and fix 500 litre capacity rotational moulded polyethylene water storage tank three layered (cylindrical vertical with closed top) including 20mm dia ball brass valves, high pressure, with polythene float and flynut after dismantling of old unseviciable existing tank complete all as specified and directed.

Supply, hoist and fix 1000 litre capacity rotational moulded polyethylene water storage tank three layered (cylindrical vertical with closed top) including 20mm dia ball brass valves, high pressure, with polythene float and flynut after dismantling of old unseviciable existing tank complete all as specified and directed.

Supply and fix in repair 20mm dia ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule complete all as specified and directed.

Supply and fix in repair 20mm bore gun metal globe or gate valve, with iron wheel head, screwed both ends for iron pipe complete all as specified and directed.

Supply and fix in repair top cover of over head PVC water storage tank of any capacity complete all as specified and directed.

Supply and fix embeded rifle racks with ammunition box and locking facilities for AK-103 rest all as shown in drg No STD 145 complete all as specified and directed.

Supply installation and testing of inverter of capacity 600 Watt, 220 to 240 Volt, built with advanced PCB programming, microprocessor and FSW transformer support complete all as specified and directed.

Materials and labour for boring of holes under road and fotpath without disturbing the top surface for passing 20mm dia GI pipe for protection of cable complete all as specified and directed Note-Necessary infrastructure required for boring shall by arranged by the contractor and cost of the same included in quoted rates.

Supply and fix sheet metal enclosure SPN DB 4 ways double door having facility to fix MCB in incomer and MCBs in outgoing, metal door IP-43 type complete fitted with bus bars, neutral links, blanking plates complete all as specified and directed.

Supply and fix MCB SPN, 240 Volts, 40 to 63 amps, "C" series, breaking capacity 10 KA complete all as specified and directed.

Supply and fix MCB SP, 240 Volts, of 6 to 32 amps current rating, 10 KA breaking capacity "C" seriescomplete all as specified and directed.

Supply and fix steel tubing of size 20 mm dia, light grade with all fittings, laid in trenches /floor / wall /pole for protection of cables complete all as specified and directed.

Materials and labour for for cross arm bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of two coats of aluminium paint over a coat of zinc chrome primer including dismantling of undersize / defected cross arms of M.S. channel or angle of any sections complete all as specified and directed.

Supply, laying, connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty with stranded aluminum conductor) of size 10 Sqmm, 2 core, 1100 Volts (earthed) grade, confirming to IS-7098 (Part-I) laid through duct/ pipe / in trench etc. with cable glands & suitable size of aluminium lugs complete all as specified and as directed. Note : Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5mtr in depth and getting out in soft/loose soil for laying of under ground cable complete all as specified and directed.

Returning filling in including spreading leveling watering and well ramming in layers not exceeding 25cm in soft/loose soil complete all as specified and as directed.

Removing of surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed.

Material and labour for sand cushioning with clean and dry river sand for protection of PVC cable with approved sand of uniform thickness. laid dry, filling in trenches and punning down in proper required layers complete all as specified and as directed. Note:- Punned down thickness shall be measured for payment.

Materials and labour for brick protection cover to underground cables with sub class ‘B’ of size 23 x 11.5 x 7.5 cm, (locally available best quality), laid dry and flat abutting each other with gaps not exceeding 10mm complete all as specified and as directed.

M/S A. J. CONSTRUCTION

NC BOSE AND CO

Oenix and associates

TAPAS ENGINEERING CO

SARKAR AND COM

Das and Brothers

PIONEER