REPAIR TO ROOF TREATMENT AND CERTAIN ALLIED BR MAINTENANCE WORKS IN OTM ACCOMMODATIONS AT SANYAT LINES, MALL ROAD, PARADE ROAD, POLO ROAD AND TO CERTAIN UNITS IN THE AREA OF AGE BR III UNDER GE (EAST) DELHI CANTT-10

Amount

Demolition of cement concrete (unreinforced) of any description and in any position complete all as specified and as directed.

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

Dismantling posts or struts of 2 mtr height (wood, steel, or RCC) any section, including taking out embedded portion & making good disturbed ground, post embedded in concrete, brick work, masonry etc., complete all as specified and as directed.

Excavation in post holes (or similar holes) in any type of soil each not exceeding 0.5 cum getting out, returning, filling in ramming earth or broken rubble in layers not exceeding 25 cm, watering and removing of surplus soil to a distance not exc 50m and making good surfaces, complete all as specified and as directed.

Plain cement concrete 1:4:8, Type d-2 using 40mm graded crushed stone aggregate as in foundations, filling and mass concrete, complete all as specified and as directed.

PCC 1:2:4 type B-1 using 20mm graded crushed stone aggregate as in roof kerb, mud stops, platform for OHT, etc., and similar type of works including weathering, slightly rounded or chamfered angles, complete all as specified and as directed.

Providing precast reinforced cement concrete 1:2:4 type B-0 using 12.50mm graded crushed stone aggregate in louvers and jallies, 50 mm thick (measured solid), including all mouldings but excluding frame (precast frame shall be measured separately) set in cement mortar 1:4, fixed in repairs, complete all as specified and as directed.

Precast RCC coping/post of size 600mm x 100mm x 50mm suitable for fixing of RCC Jallies in vertically & horizontally including necessary moulds and grooves as required in shape and size, complete all as specified and as directed.

Precast Prefabricated cement concrete columns of size 100mm x 100mm x 2.0mtr height and suitable shape with proper size channel for fixing of Pre Fabricated RCC wall panels of required size as per site requirement including fixing of columns to a required depth as per manufacturer's instructions, complete all as specifed and as directed. Note :- Excavation of post holes for fixing of Columns shall be measured and paid separately.

Precast Prebabricated RCC wall Panels of 80 to 100 mm thick suitable length to be fixed properly in prefabricated columns and sealed properly with filling materials as per manufacturer's instructions, including demolition of existing concrete panels of any thickness and size, complete all as specified and as directed.

Brick work with sub class “B” bricks straight or curved on plan exceeding 6mtr mean radius built in cement mortar 1:6 using old size bricks, including demolition of old brick work built in cement mortar, complete all as specified and as directed.

Rolled sections as in roof trusses (framed), trussed purlins, rafters, standing poles, crane gantries, rails and fastenings and heavy brackets framing including distance pieces, cleats etc., conforming to Fe-410W Gde E- 250 quality A, including dismantling structural steel work of any description not otherwise provided for, complete all as specified and as directed.

Rolled sections as in tubular trusses including special shaped washers etc., complete using ERW or induction butt welded tubes conforming to IS 1161-1979 grade St-240, including dismantling exisitng structural steel work of any description not otherwise provided for complete all as specified and as directed.

3 mm thick Fibre glass reinforced translucent colourd plain/corrugated sheeting with two corrugations side lap fixed with coach screw and washer in roof, wall, gate etc., and similar work as required, including taking down existing unserviceable coverings any type, complete all as specified and as directed.

Pre-Painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws, including dismantling of old steel corrugated/semicorrugated sheets, complete all as specified and as directed.

Pre-Painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering /cladding to wall, fixed with self tapping screws, including dismantling of old steel corrugated/semicorrugated sheets, complete all as specified and as directed.

Providing screed bed 15mm thick on top of cleaned concrete surfaces in cement mortar 1:4 mixed with water proofing compound, including taking down exisitng roof teament with any type of membrane or cement plaster on concrete surfaces, including raking out joints, hacking for key, scrubbing down with water etc., to receive further treatment, complete all as specified and as directed. Note : Water proofing compound shall be measured and paid separately under respective item.

Supply only liquid water proofing compound, to be mixed in cement mortar or concrete as per proportion specified by manufacturer, complete all as specified and as directed.

Taking out exisitng roof treatment with any type of membrane, wire brushing and cleaning top surface of tiles, cement concrete, including flashings and junction of parapets including taking out grass roots/vegetation etc., from existing roof surfaces and cleaning the surface after drying from dirt, mortar, dust mortar buds, algae and all other foreign matter and brushed and wiped and drying the cleaned surface for further treatment, complete all as specified and as directed.

Water proofing treatment comprising of the following, using APP membrane polymer based to ptrpared roof surface complete all as specified and as directed:- (a) Applying evenly a coat of bituminous primer conforming to IS- 3384 @ 0.4Ltr/Sqm. Over the primed surface, apply a coat of hot blown 85/25 penetration grade bitumen conforming to IS- 702 @ 1.2 Kg/Sqm of the surface area. (b) Applying APP based polymeric membrane minimum weight 3.6kg/Sqm and of minimum thickness 3mm, reiforced with polyster non woven fabric ( weight not less than 150gm/Sqm). APP membrane will be laid by torching overlaps with a propane or butane gastorch and laid across the slope from lowest line of roof towards ridge with over laps of 75mm in length side and 100mm on the width side of membrane bonded with hot blown bitumen. (c) Over the APP membrane after laying apply a coat of solar reflective aluminum paint @ 0.15Kg/Sqm.

Dismantling of existing celing board of any type and thickness including frame work and providing E-board 4mm thick self design type tiles ceiling on GI Powder coated channel/Tee/Grid of make(Armstrong or equivalent in Everest or Charminar) frame work with the following specification including cutting holes to brick wall built in cement mortar & making good in cm 1:3 of cement concrete 1:2:4 type BO complete all as specified and as directed. (a) Plugging to wall around the rooms & supplying & fixing GI Powder coated angle of size 22.2mm x 22.2mm x 0.65mm (b) S&F of 2-3 mm dia GI wire suspenders with adjustable clamps including fixing to ceiling dash free fasterers (c) S&F 29mm x 24.7mm x0.8mm GI Powder coated tee as in main & cross members at 595mm c/c supported suspenders alongwith adjustable clamp to maintain level. ( d) S&F E-board 4mm thick self design type ceiling tiles of size 595mm x 595mm confirming to relevant IS in squares of GI Powder coated Tee with clips made to shape.

75mm thick plain Cement Concrete 1:3:6 type C-2 (using 40mm graded crushed stone aggregate) as in plinth protection laid in alternate bays (not exceeding 2 Sqm each) finished even and fair at top without using extra cement and providing joints 40mm deep and 12 mm wide in plinth protection filled with mastic filling comprising one part of bitumen 85/25 grade and three parts of sand by weight, including demolition of existing plinth protection of any type and thickness, complete all as and as directed.

Wall cladding tiles of size 600mm x 300mm x 10-12mm thick as per sample approved by GE on verticle surfaces of walls including screed bed or backing layer of 10mm thick in cement mortar 1: 4 including demolition of old tiles with backing, complete all as specified and as directed. Make : Unistone/Ultra or equivalent from Kajaria/Somany/Cera

Taking down cement plaster / duster bed PCC of Column, chajja, Parapets of roof, facia, drops etc and making good with cement plaster 10mm thick in CM 1:3 with PCC 1:2:4, (average thickness of PCC 25mm) as required, brushing neat cement slurry with 3.0kg of cement per sq. metre including necessary form work and scaffolding upto 3rd floor including fixing of wire netting where required to match the existing surfaces, complete all as specified and as directed.

Rendering 15mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:4 finished even and smooth without using extra cement, complete all as specified and as directed.

Rendering 5mm thick on fair faces of concrete surfaces as in ceilings in cement mortar 1:3 finished even and smooth without using extra cement, complete all as specified and as directed.

Preparation of newly plastered external wall and ceiling surfaces upto 4 storey buildings and applying a layer of 1mm thick wall care putty, again sand papering thus making surface smooth and applying two coats of weather proofing exterior acrylic emulsion paint premium quality on wall surfaces with roller application, complete all as specified and as directed by Engr- in-charge.

Preparation of old treated external wall and ceiling surfaces by complete removal of existing treatment of walls upto 4 storey buildings and applying a layer of 1mm thick wall care putty, again sand papering thus making surface smooth and applying two coats of weather proofing exterior acrylic emulsion paint premium quality on wall surfaces with roller application, complete all as specified and as directed by Engr- in-charge.

Preparation of newly plastered surfaces of walls and ceilings and applying a layer of Birla white/J K white wall care putty, and finally finishing the wall surface with two coats of interior acrylic emulsion paint of premium quality, complete all as specified and as directed.

Preparation of old treated external wall and ceiling surfaces by complete removal of existing treatment of walls and applying a layer of Birla white/J K white wall care putty, and finally finishing the wall surface with two coats of interior acrylic emulsion paint of premium quality, complete all as specified and as directed.

Preparation of new steel surfaces and applying two coats of synthetic enamel paint on surfaces of any description exceeding 10 cm width or girth over a coat of red oxide, complete all as specified and as directed.

15mm bore GI tubing (medium grade) with all fittings and fixed complete to walls and ceiling or laid in floors/roofs, including taking up or down GI tubing 15mm bore and connections complete all as specified and as directed.

20mm bore GI tubing (medium grade) with all fittings and fixed complete to walls and ceiling or laid in floors/roofs, including taking up or down GI tubing 15mm bore and connections complete all as specified and as directed.

25mm bore GI tubing (medium grade) with all fittings and fixed complete to walls and ceiling or laid in floors/roofs, including taking up or down GI tubing 15mm bore and connections complete all as specified and as directed.

15 mm dia Gun-metal, globe or gate valves, with iron wheel head, screwed both end for iron pipe and fixed in repairs, complete all as specified and as directed.

20mm dia Gun-metal, globe or gate valves, with iron wheel head, screwed both end for iron pipe and fixed in repairs, complete all as specified and as directed.

25mm dia Gun-metal, globe or gate valves, with iron wheel head, screwed both end for iron pipe and fixed in repairs, complete all as specified and as directed.

Rotational moulded polyethylene water storage tanks 500 lts capacity, double layered (cylindrical vertical with closed top) hoisted and fixed in position including 20 mm dia Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed including taking out existing unserviceable overhead tank of any description, complete all as specified and as directed.

Rotational moulded polyethylene water storage tanks 1000 lts capacity, double layered (cylindrical vertical with closed top) hoisted and fixed in position including 20 mm dia Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed including taking out existing unserviceable overhead tank of any description complete all as specified and as directed.

Rotational moulded polyethylene water storage tanks 2000 lts capacity, double layered (cylindrical vertical with closed top) hoisted and fixed in position including 20 mm dia Ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed including taking out existing unserviceable overhead tank of any description complete all as specified and as directed.

PVC 110mm bore (SWR) pipes single socketed, in any length with rubber ring joints, flaid in trenches or in floors, fixed in repairs, complete all as specified and as directed.

PVC (SWR) bend of 110mm bore any radius, complete all as specified and as directed.

Stack clamps made out of 50mm x 5mm flat iron and 16mm dia round including bolts, nuts and securing ends of stays to walls or roof for 100mm bore of pipe, fixed in repairs, complete all as specified and as directed.

NOTE:- Irrespective of whatever specified elsewhere in tender documents, all the debris/waste materials produced out of above mentioned work shall be removed out of Cantonement land and disposed off at locations notified by the Delhi Cantonment Board for disposal of waste building materials within NCR area, without any extra cost to Department under own arrangement of contractors. The rates quoted by the contractors against the items catered here-in-above in the BOQ are inclusive of said provision.

Akhil Enterprises

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