PERIODICAL SERVICES AND REPAIRS TO ROOFS OF CERTAIN BUILDINGS IN TECH AREA AT AF STN ADAMPUR

Amount

Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm of any colour having tensile strength of 550 Mpa as in roof coverng/ cladding to wall, fixed with self tapping screws complete all as specified and directed.

Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet (Except sheeting) as in roof coverng/ cladding to wall, fixed with self tapping screws complete all as specified and directed.

Pre-painted galvalume aluminium zinc coating GI based Plain steel sheet 0.50 mm of any colour having tensile strength of 550 Mpa as in roof coverng/ cladding to wall, fixed with self tapping screws complete all as specified and directed.

Aluminium Plain sheet 0.50 mm thick Alloy 31000 H4 in stepped flashing (measured as the minimum rectangle from which the pieces can be cut) complete all as specified and directed.

Water Proofing Treatment to RCC roofs comprising of : -

Taking down existing water proofing treatment (any no. of layers) from RCC roofs including cleaning the surface including flashings and junction of parapet etc. with wire brushing & water to the entire satisfaction of EIC, complete all as specified and directed.

PCC (1:2:4) type B-1 using 20 mm graded crushed stone aggregate, laid to slope as directed by Engineer in Charge over RCC roofs as padding, complete all as specified and directed.

Rendering 15 mm thick (Average thickness) rendering on roof surface including flashings and junction of parapets etc., finished even and fair in cement mortar (1:4), using water proofing compound as recommended by manufacturers after brushing cement slurry @ 1.20 kg/Sq. m, complete all as specified and directed. NOTE: Supply only WPC will be measured & paid for separately under respective item of BoQ.

APP based polymeric membrane laid on primed roofs & flashing by forced application using Butane torch and sealing all joints on primed surface by applying hot blown industrial grade bitumen @ 85/25 @ 1.20 kg/Sq.m over a coat of bitumenous primer @ 0.40 litre per square metre over cleaned RCC/plastered roof surfaces & flashings complete, all as specified.

40 mm thick brick tiles are bedded over 15 mm thick cement mortar (1:4), and joints grouted flush in cement mortar (1:3) mixed with 5% of crude oil by weight of cement on APP membrane complete all as specified.

Making benching with PCC (1:2:4) type B-0 (using water proofing compound) along side walls adjoining to roofs, in CONCAVE SHAPE, complete all as specified and directed. NOTE: WPC will be measured and paid for separately under respective item of BoQ.

NOTE : For Guarantee of Water Proofing Treatment refer PS clause 11.5.

Supply only water proofing compound, ISI marked, complete all as specified and directed.

Glazed ceramic coloured tiles 7mm thick, area of each tile exc. 0.13 Sq.m but n. exc. 0.16 Sq.m on vertical surfaces as in skirting, dado etc. set and jointed in neat cement slurry and pointed with grout of matching shade of tiles, laid over and including 10 mm thick bedding layer in cement mortar (1:4), complete all as specified and directed.

First quality, vitrified ceramic tiles 9-10mm thick (square/ rectangular) area of each tile exc. 0.18 Sq.m but n. exc. 0.38 Sq.m, laid in floors etc, set and jointed in neat cement slurry and pointed with grout of matching shade of tiles, laid over and including 15 mm thick bedding layer in cement mortar (1:4), complete all as specified and directed.

First quality, vitrified ceramic tiles 9-10mm thick (square/ rectangular) area of each tile exc. 0.18 Sq.m but n. exc. 0.38 Sq.m, on vertical surfaces as in skirting, dado etc. set and jointed in neat cement slurry and pointed with grout of matching shade of tiles, laid over and including 10 mm thick bedding layer in cement mortar (1:4), complete all as specified and directed.

Non skid ceramic coloured tiles 7 to 8mm thick (square/ rectangular) area of each tile exc. 0.18 Sq.m but n. exc. 0.38 Sq.m, laid in floors etc, set and jointed in neat cement slurry and pointed with grout of matching shade of tiles, laid over and including 15 mm thick bedding layer in cement mortar (1:4), complete all as specified.

uPVC pipes, 110 mm external dia pipe, type-A, ISI marked (IS:13592) single socketed in any length with or without rubber ring joints, fixed to wall with PVC brackets as SWR / rain water pipes, IN REPAIR, complete all as specified and directed.

uPVC/PVC bends any radius, complete all as specified. suitable for uPVC soil waste discharge pipes 110 mm external dia complete all as specified and directed.

Rendering 5 mm thick on fair faces of concrete surfaces, finished fair and even on ceiling surfaces in cement mortar (1:3), complete all as specified and directed.

Rendering 15 mm thick on fair faces of brick work or concrete surfaces, finished even and fair on walls in cement mortar (1:4), mixed with water proofing compound as per manufacturers instructions, complete all as specified and directed. NOTE: WPC will be measured and paid for separately under respective item of BoQ.

Uprooting tree/plants upto 30 cm girth from wall or any part of building upto double storey buildings completly to the entire satisfaction of Engineer-in-Charge, making good the disturbed portion and filling holes in cement mortar (1:3) or PCC (1:2:4) type B-1 using 20mm graded stone aggregate to match with existing surfaces and removal of rubbish outside MOD land complete all as specified and directed.

One coat of white wash on old wall surfaces, including preparation of surfaces, complete all as specified and directed.

One coat of white wash on old ceiling surfaces, including preparation of surfaces, for height not exceeding 8.5 metre complete all as specified and directed.

Three coat of white wash of new ceiling surfaces including prepration of surfaces complete all as specified and directed.

One coat of interior acrylic distemper of old ceiling surfaces including prepration of surfaces complete all as specified and directed.

One coat of interior acrylic distemper of old wall surfaces including prepration of surfaces complete all as specified and directed.

Complete removal of existing treatment of any description, including prepration of wall surfaces of any description complete all as specified and applying the following: - (a) Applying wall care putty, in two coats & smoothening the surfaces as specified. (preparatory to paint as directed). (b) Two coats of interior acrylic distemper over and including a coat of acrylic emulsion primer.

One coat of exterior acrylic emulsion of old wall surfaces including prepration of surfaces complete all as specified and directed.

Complete removal of existing treatment with mechenical scraper of any description, including prepration of wall surfaces of any description in disruptive/camouflaging pattern of Six/four shades for height not exceeding 8.5 metre, complete all specified and applying the following: - (a) Applying wall care putty, in two coats & smoothening the surfaces as specified. (preparatory to paint as directed). (b) Two coats of exterior acrylic emulson over and including a coat of water based exterior primer.

Two coats of exterior acrylic emulsion in disruptive/camouflaging pattern of six/four shades over and including a coat of exterior (water based) primer on PQC surfaces of any descripton, taxi tracks, links, shelter/ runway surfaces and the like horizontal surfaces, disruptive/camouflaging pattern of Six/four shades with mechanical sander having RPM of min 1200 having suction vaccum bag complete all as specified and directed

Prepration of new wall surfaces of any description in disruptive/camouflaging pattern of Six/four shades complete all as specified and applying the following: - (a) Applying wall care putty, in two coats & smoothening the surfaces as specified. (preparatory to paint as directed). (b) Two coats of exterior acrylic emulsion over and including a coat of water based exterior primer.

Two coats of exterior acrylic emulsion over a coat of exterior (water based) primer on new plastered surfaces of wall, in disruptive/camouflaging pattern of four shades including preparation of surfaces, complete all as specified and directed.

NOTES APPLICABLE TO SERIAL ITEM NO. 16 TO 26: (i) Entire quantity of material for this work shall be procured by the contractor from manufacturer's Depot & deposit the same with Enginer-in-Charge and same shall be issued to contractor on daily basis as per consumption at site. (ii) The work shall be got executed through paint manufacturer/ authorised applicators of manufacturer's as specified in relevent PS clause.

Applying one coat (finishing coat) of synthetic enamel paint, preparation of old painted wood and wood based surfaces of any description not other wise described over 10cm width or girth and complete all as specified.

Applying one coat (finishing coat) of synthetic enamel paint including peparation of old painted steel & iron surfaces of any description not other wise described over 10cm width or girth, in disruptive/camouflaging pattern of four shades complete all as specified.

Two coats of synthetic enamel paint over in disruptive/camouflaging pattern of four/six shades including preparation of surfaces,& including a coat of red oxide primer over steel or iron surfaces of any description not other wise described over 10cm width or girth including preparation of surfaces after complete removal of existing painted surfaces, for height not exceeding 10 metre, complete all as specified and directed.

Disconnecting existing tanks of capacity exceeding 500 litre but not exceeding 1000 litre, setting aside (or lowering if required) for cleaning/roof repair etc. and hoisting, reconnecting and re-fixing on existing location after necessary cleaning by removing all scale and dirt etc. including cleaning mouth of circulating service pipes also making all necessary connection complete all as specified and directed.

Ball brass valves, high pressure, with rod & high density plastic ball complete screwed for iron pipe or brass ferrule and fixed, suitable for 20 mm bore GI pipe, IN REPAIR, complete all as specified and directed.

Refixing old steel tubes ‘medium grade’, galvanized with all fittings and fixed to walls and ceilings or laid in floors including taking up or down of size: -

20 mm bore

25 mm bore

Steel tubes galvanized with all fittings and fixed to walls and ceilings or laid in floors,including taking up or down steel tubing and connections from existing location, of size: -

20 mm bore, medium grade

25 mm bore, medium grade

Aluminium strip 25x3mm thick for securing APP membrane at egdes and including fixing with necessary fixing arrangement complete all as specified and directed..

Writing letters or figures by specialist / professional painter (Block, Roman, Italic or indian) with thick black synthetic enamel paint not exc. 10cm height on white base complete all as specified and directed.

Taking down cement plaster of any description on brick walls or concrete surfaces etc including raking out joints, hacking for key, scrubbing down with water etc complete all as specified and directed.

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

Dismantling steel sheeting (corrugated, semi-corrugated, etc.) in roof coverings, complete all as specified.

Demolition of mud phuska in roofs, of thickness not more than 200 mm including plaster and leeping plaster all as specified.

Dismantlig brick tiles in roof laid dry and pointed in cement mortar all as specified and directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided all as specified and directed.

Notes: Amount of credit for retrieved materials is mentioned in tender documents in pdf form which will be deducted while acceptance of tender offline.

LABH SINGH AND SONS (BID ID -3117861)

siddharthenterprises (BID ID -3109736)

AAR KAY BEE ENTERPRISES (BID ID -3116650)

BHARAT ENTERPRISES (BID ID -3110158)

PRATHAM TRADERS (BID ID -3117105)

J.K & Company (BID ID -3117369)