REPAIRS TO ROOF OF CERTAIN BUILDING AT AFS HAKIMPET UNDER GE (AF) HAKIMPET

Amount

NOTES :- 1. Contractor need to purchase minimum 50% of all items mentioned in this CA within 20 days of getting sample approval and kept in custody so that no delay in work due to non-availability of materials will be faced. Contractor should ensure during the cause of work that he has minimum 25% of materials with him till the completion of item/date. 2. Contractor should buy the exact items which are given with catalogue reference. Other makes will be approved only by submitting non availability Certificate Company. Contractor need to remove all the dismantled items without delay. 3. Rate quoted for demolition/dismantling /taking down is inclusive of removing the same from site and dumping at given locations anywhere inside station. 4. If any painting works, contractor need to clean the area and remove the drop marks from floor, doors, windows, sills, inbuilt furniture items etc. otherwise a recovery of Rs 10.00 per sqm in internal paintings and Rs 5.00 per sqm for external paintings will be made from contractor. 5. Contractor will make his own arrangement to store his items. 6. Some places in this contract where the vehicle will not reach the spot directly, the material will be moved manually in these places. The rate quoted will be considered all inclusive on this account.

M&L for Demolition of concrete of any description and in any position including plastering and leeping (whether full thickness including textile coverings, bitumen felt on roofs removed or only a part thereof) for complete all as directed.

Roughening surfaces of old concrete roof / floor surfaces by picking, sweeping clean and washing down with water to remove dust,etc

M & L Brushing neat cement slurry with 3.0 kg of cement per square metre on old concrete surfaces.

M&L for 40mm average thick PCC nominal mix 1:2:4 type B0 (12.50mm graded stone aggregate) for roof treatment etc.

M&L for rendering 15mm thick on fair faces of brick work / concrete surfaces in CM 1:3 finished even and smooth without using extra cement and mixing with WPC as per manufacturers instruction. Note:- WPC will be measured and paid separately.

Supply only liquid water proofing compound to incorporate in above item.

M&L Applying evenly a priming coat of bitumen primer at the rate of 0.3 ltr per sq.m including cleaning surfaces complete all as specified and directed

M&L for APP based polymeric membrane minimum weighing 3kg/sqm and minimum 3mm thick reinforced with polyster non wove fabric (wt. not less than 150 gms/sqm) laid on primed surface by torched application complete all as specified.

M&L applying two coats of aluminium paint @ 0.1 ltr/Sqm per each coat complete all as directed.

M&L providing PCC 1:2:4 type B-0 (using 12.5mm graded aggregate) as in copings in surfaces of roofs/in manholes complete all as specified and directed.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., including cleaning or refixing or removal to store (measured overall as fixed along the centre line over fittings and accessories) complete all as specified and as directed by the Engineer-in-Charge.

M&L PVC (SWR) pipes 110mm bore single socketed, in any length with rubber ring joints, laid in trenches or in floors/walls, at septic tanks including all fitting & fextures complete all as directed.

All as per item No. 12 here-in-before but except pipe complete all as specified and as directed by Engineer-in-Charge.

Taking up or down steel tubing and connections 15mm bore of pipe, including cleaning for refixing or removal to store complete all as specified and as directed by the Engineer-in-Charge.

Taking up or down steel tubing and connections 20mm bore of pipe, including cleaning for refixing or removal to store complete all as specified and as directed by the Engineer-in-Charge.

S&F steel water tubing 15 mm bore medium grade galvanized with all fittings such as bends, tees, nipples, elbows, reducers, etc, fixed complete to walls and ceilings or laid in floors all as specified and directed.

All as per item above but 20mm dia

Fixing only 15 mm bore old steel water tubing obtained from dismantling with all fittings such as bends, tee, nipples, elbow, reducers, etc fixed to walls and ceilings or laid in floors complete all as specified and directed by the Engineer-in-Charge.

All as per item No 18 here-in-before but 20mm bore of pipe.

S & F 500 Ltrs capacity Rotational moulded, polythene water storage tanks (cylindrical shape with vertical top closed) hoisted and fixed in position including taking down old unserviseable water tanks all as specified and directed.

S & F 1000 Ltrs capacity Rotational moulded, polythene water storage tanks (cylindrical shape with vertical top closed) hoisted and fixed in position including taking down old unserviseable water tanks all as specified and directed.

Disconnecting existing tanks exc 500 ltr and not exc 1000 Ltr Capacity, setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in same position or any other position including nipples or any fittings where ever required. (Cleaning repairing, etc. measured separately) all as specified and directed.

S&F in repairs 20 mm bore dia ball valves, high pressure of PTMT with epoxy coated aluminium rod & high dencity plasstic ball screwed for iron pipe and fixed .(minimum weight 15 mm-142gms/20mm-210gms) all as specified and directed.

S&F in repairs Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for 20 mm bore pipe all as specified and directed.

Demolition of brick or stone/ boulder built in cement mortar complete all as specified and directed

M&L for Brick work with flyash bricks, straight or curved on plan exceeding 6 M mean radius built in cement mortar 1:6 complete all as specified and directed by the Engineer In charge

Taking down cement plaster on stone or concrete surface, including existing roof treatment / either on external wall & ceiling / chajja surfaces and removing all rubbish off the premises, cleaning thouroughly, washed with water to remove dust etc, complete all as specified and as directed by Engineer-in-Charge.

M&L for 15 mm thick rendering in CM (1:4) on external surfaces finished even and smooth without using extra cement and using WPC all as specified directed. (Note: WPC shall be measured and paid seperately under relevant item)

Preparing and applying three coats of white wash on newly plastered surfaces of walls.

Dismantling Asbestos cement (corrugated, semi corrugated, etc.) sheets/GI sheet in roof coverings complete all as specified and directed.

S&F 6mm thick asbestos cement, corrugated or semi-corrugated sheets in roofs, walls etc. Fixed with L-type or J-type or cranked hook bolts complete all as specified and directed.

All as per item 31above butexcept sheets.

S&F 6mm thick Asbestos cement two piece adjustable plain wing ridge 6mm thick Fixed with L-type or J-type or cranked hook bolts complete all as specified and directed.

S&F Pre- painted galvatume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified

S&F Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified

S&F 2mm thick Fibre glass reinforced translucent corrugated sheeting with two corrugations side lap fixed with coach screw and washer in roof, wall etc.®

Dismantling Mangalore pattern roofing tiles with ceiling tiles or slate roofingwhere ever required complete all as specified and directed.

M & L Roof tiles, Mangalore pattern, interlocking at side joints, laid dry including ridge pieces where ever required complete all as specified and directed.

Labour only for Roof tiles, Mangalore pattern, interlocking at side joints, laid dry complete all as specified and directed. Note: Serviceable tile obtained from item No. 37 above.

M&L for Ridge or hip tiles to suit Mangalore pattern of roofing tiles, bedded and jointed in lime mortar 1:3 or cement mortar 1:6 complete all as specified and directed.

S&F clean sawn second class hard wood batten of exc 5 and nexc 15 sqcm at 25 cm centres compete all as directed

Fixing only clean sawn second class hard wood batten of exc 5 and nexc 15 sqcm at 25 cm centres compete all as directed

Material and labour for Second class hard wood clean sawn fixed as purlins , rafter joist, scantaling complete all as specified and as directed by the Engineer-in-Charge.

M&L Dismantling wrought iron or mild steel work of any description not otherwise provided for

S&F Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc.. n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165 (Brackets over 10 kg each to be measured under 'Structural Steel')

M&L for two coats of synthetic enamil paint over a coat of red oxide zinc chrome on new surfaces of any description complete all as specified.

M&L Removing building materials/debris etc. (obtained from demolition) to a distance of 1Km , including loading, unloading and stacking at the destination

S&F GI powder coated snap grid frame work of size 600X600mm having Main Tee of 24X32mm, Cross Tee 24X26mm and L angle of 24X24mm for false ceiling all as specified and directed.

S&F Hangers 2 mm dia GI (upto1200mm length) adjusting level fixed to roof slabs by means of ceilling cleats made of GI flat 40 x 3 mm size 60mm long and expansion hold fasteners 12.5mm dia 40mm long complete all as specified

M&L False ceiling of 8mm thick gypsum ceiling tiles with front PVC laminated & back Aluminium foil, Ceiling board of dimension 595X595mm with calcium silicate board of siliceous and calcareous material reinforced with cellulose fibre grid (Frame work of ceiling shall be measured and paid separately). Make:Diamond or Equivalent.

Dismantling of Wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards, slabs, blankets, any thickness, including cover fillets.

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