REPAIRS TO WATER PROOFING TREATMENT OF RCC AND AC SHEET ROOFING IN CERTAIN BLDGS OF ASCSOUTH UNDER AGE B AND R II OF GE CENTRAL BANGALORE

Amount

Taking down cement plaster of any description including racking out joints, hacking for key scrubbing down with water etcand removal of entire debris as ordered outside MD land complete all as directed.

Demolition of cement concrete (un-reinforced) in ground floor and paving not exceeding 15 cm thick above or below ground level and removal of entire debris as ordered outside MD land complete all as directed.

Demolition of brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc and removal of debris to a distance not exceeding 50 mts and depositing where directed.

Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and as directed.

Dismantling of AC Corrugated or semi corrugated sheet etc any thickness including ridges as in roof covering and stacking at site where directed and removal of debris to a outside MOD land and depositing where directed complete all as directed.

Providing cement concrete Type B1 1:2 :4 using 20 mm graded crushed stone aggregate in window or door cills, lintels, bressumers, steps, quoin blocks (for use with masonry),string courses, copings. kneelers, apex stones, pier caps, columns, posts , boundary pillars, bed plates, pintle blocks, ancho-rage blocks, bonders (for stone wallin). corbels, brackets,etc. (of any section indicated), with plain fair faces, including chamfers, weatherings, throat- ing etc. and setting in mortar complete with joints to match Set in cement mortar 1:4 complete all as directed.

M&L factory made pre cast PCC 1:3:6, type C1 (using 20 mm graded granite aggregate) as in block masonry with solid blocks, exceeding 10 cm in width and setting in CM 1:6 complete all as specified.

Supply only Integral Water Proofing Compound (ISI Marked) liquid of Make : CICO, Acco Proof, Impermo, Aqua flex as approved.

S&F rolled mild steel work as in roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats, necessary welding etc. conforming to Grade E-250 quality ‘A’ all as specified and as directed.

S&F Pre-painted galvalume aluminium zinc coating GI based corrugated 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 or ‘L’ type or ‘J’ type or cranked hooks bolts complete all as specified & directed

Supply and fix Pre- painted galvalume aluminum zinc coating GI plain 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 or L type or J type or cranked hook bolts or as per manufacture instruction all as specified and as directed.

Supply and fixing 2 mm thick fibre glass reinforced translucent corrugated sheeting with two corrugation side lap fixed with self tapping screws and washer in roof, wall etc complete all as specified & as directed

M&L for 25 mm thick plain cement concrete 1:2:4 type B0 using 12.5mm graded crushed stone aggregate as in padding / levelling course finished the surface even & rough without using extra cement complete all as directed.

Material and labour for removal of existing WPT course or any other kind of treatment surface over roof slab and cleaning of surface with wire brushes and water removing of unsolvent materials and depositing of the same outside MoD land and provide 10 mm thick screed bed/ bedding layer in CM 1:4 mixed with Water Proofing Compound (WPC) as per manufacturer instructions, including finishing the surface fair and even on RCC roof/ parapet once bedding layer of concrete is completely dried and apply oil bound bituminous primer @ 0.20 Kg/Sqm and providing 4mm thick APP modified water proofing membrane weighing not less than 4.00 Kg/Sqm reinforced with non woven polyster matt weighing not less than 160 gms/Sqm including minimum 10 cm side over laps and 15 cm end lap torch sealed and bonded as per detailed procedure as directed, apply a coat of blown grade hot bitumen 90/15 grade over the membrance @1.2 Kg/Sqm and finally finished the top surface with solar reflective bituminious aluminium @ 0.10 Kg/Sqm complete all as specified and as directed. Note: (i) The quoted rate is deemed to be inclusive of taking down & removal of debris , 10 mm thick 1:4 screed & complete APP treatment. (ii) WPC will be paid seperately (iii) The work shall be carried out only through manufacturer or their authorised applicator and a written guarantee for work shall be submitted by the manufacturer for the effectiveness of WPT (iv) Care shall be taken to avoid wrinkle and air gaps while sticking membrane to the bitumen applied surface.

M&L for rendering 15 mm thick in CM 1:6 on brick work/ block concrete surface finished the surface even and smooth without using extra cement complete all as specified.

M&L for rendering 5 mm thick in CM 1:3 on brick work/stone work or concrete surface finished the surface even and smooth without using extra cement complete all as specified.

M&L for rendering 15 mm thick in cement mortar 1:4 on fair faces of brick work/ stone work or concrete surfaces mixed with WPC as per manufacturer instruction, and finished the surface fair and even complete all as specified and directed.

Three coats of white wash on newly plastered surface of ceilings after necessary preparation of surface complete all as directed.

M&L preparation of newly plastered wall surfaces and applying two coats of cement base paint over a coat of alkali resistant primer complete all as directed.

M&L preparing new plastered wall surfaces and applying two coats of oil bound distemper over a coat of alkali resistant primer over a coat of 1-2 mm thick white cement based wall care putty as ordered complete all as specified.

M & L Two coats of 1st quality synthetic enemal paint over a coat of zinc chromate primer over any description of new steel surface over 10 cm in width or girth including necessary preparation of new steel surface complete all as directed.

Taking down old rusted / wornout 25 mm bore GI tubing after necessary disconnection & S&F new 25 mm bore CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings fixed on walls/ceiling or laying in floors making necessary connection& testing on completion complete all as directed.

Taking down old rusted / wornout any dia of tubing after necessary disconnection & S&F new 20 mm bore CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings fixed on walls/ceiling or laying in floors making necessary connection& testing on completion complete all as directed.

S&F in repair Gun metal gate or gate valves with iron wheel head screwed box and both ends for iron pipe for 20 mm bore of pipe or union complete all as directed.

S&F in repair Gun metal gate or gate valves with iron wheel head screwed box and both ends for iron pipe for 25 mm bore of pipe or union complete all as directed.

S&F 110mm bore PVC (SWR) pipes single socketed in any length with rubber ring joints / solvent cement joints fixed to walls complete all as specified including dismantling & taking down old unserviceable 110mm bore PVC pipe with fittings

All same per item No 26 here-in-above but 75 mm bore of pipe -do-

S & F 110 mm bore size PVC (SWR) bends any radius with access door including jointing the same with solvent cement complete all as directed.

All same per item No 28 here-in-above but for 75 mm bore of pipe -do-

Disconnecting existing tanks, setting aside ( for lowering if required) for repairs, cleaning,etc and hoisting if required reconnecting and refixing in positing including cleaning and removing all scale and dirt,etc from tanks and from mouths of circulating pipes. ( Capacity exc 500 lts but not exc 1000ltrs)

All same as per item No 26 here-in-above but tank of size exc 250 lts but not exc 500 lts -do-

Dismantling of existing any type & any capacity water storage tank fixed in any description and stacking at site and S&F new 1000 litres capacity (white colour) rotational moulded polythene water storage tank, (cylindrical vertical with close top) triple layer colour white both inside and outside with top cover including PVC float valve high pressure suitable for 25 mm bore of pipe with polythene float, fixture hoisted and fixed in position where ordered and making necessary connection and testing complete all as directed.

Dismantling of existing any type & any capacity water storage tank fixed in any description and stacking at site and S&F new 2000 litres capacity (white colour) rotational moulded polythene water storage tank, (cylindrical vertical with close top) triple layer colour white both inside and outside with top cover including PVC float valve high pressure suitable for 25 mm bore of pipe with polythene float, fixture hoisted and fixed in position where ordered and making necessary connection and testing complete all as directed.

DHANUSH CONSTRUCTIONS CO. (BID ID -3075891)

docileworx (BID ID -3087329)

RK Builders (BID ID -3085182)

SHIVAA CONSTRUCTIONS (BID ID -3085466)

MAA ENGINEERING SERVICERS (BID ID -3082845)

SCION ENTERPRISES (BID ID -3087483)

M AND V ENTERPRISES (BID ID -3084327)