REPAIRS TO ROOF TREATMENT IN CERTAIN BUILDINGS IN ZONE C AND D AREA UNDER AGE B R N NO I OF GE NORTH SECUNDERABAD

Amount

Dismantling of CGI/PGI sheet roofing any gauge and any thickness including ridge, valley gutter etc complete all as specified and directed.

Dismantling of wrought iron or MS works of any description such as chajja etc., including necessary straightening of bends complete all as specified and directed.

M&L rolled mild steel in Plates (plain or chequered) channels. square cut or notched (ordinary and counter sunk) forming holes, without any attachment etc conforming to Fe 410-W (Gde E-250) quality A and complete all as specifed and directed.

S&F Rolled mild steel sections of Fe 410-W (Gde E-250) quality “A” frame work as in main and cross beams, hip and jack rafters, purlins where connected to common rafters and running rails and guides for sliding doors, fixed with angle cleats or other connecting plates complete all as specified and directed

S&F Wind ties for roof including securing bolts including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe 290 (Gde E-165) etc complete all as specified and directed.

M&L Pre-painted galvalume aluminium-zinc alloy metallic coated corrugated steel sheet, any pattern corresponding to IS:15965:2012 of durability class 3, atmospheric classification category 3, coating class AZ 150, 0.50mm thick of an approved colour and having yield strength of 550 MPa as in roof covering fixed with self tapping screws as specified including necessary scaffolding and safety measures,etc complete all as specified and as directed.

M&L Pre-painted galvalume aluminium-zinc alloy metallic coated plain steel sheet as per IS 15965:2012 of durability class 3, atmospheric classification category 3, coating class AZ 150, 0.50mm thick of an approved colour and having yield strength of 550MPa as in ridge/valley/gutter/eaves boardings fixed with self tapping screws as specified including necessary scaffolding and safety measures at any floor complete all as specified and as directed.

M&L Preparation of new or previously untreated steel surfaces of any description, over 10 cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint (ordinary tint) including priming with red oxide, zinc chrome complete all as specified and directed.

Dismantling mangalore pattern roofing tiles single layer including ridge tiles laid, bedded in cm complete all as specified and as directed.

Dismantling mangalore pattern roofing tiles single layer including ridge tiles laid, bedded in cement mortar etc complete all as specified and as directed.

Dismantling battens for tiles any size exceeding 15cm in spacing complete all as specified and as directed.

Dismantling timber Scantling framed work in fillets, rails, posts, rafters, purlins, etc. under 40 sq. cm in section complete all as specified and as directed.

Dismantling timber Scantling framed work 40 sqcm and over in section, in any position complete all as specified and as directed.

M&L for Second class hard-wood Clean sawn in scantlings in timber framed for rafter and purlin in roof etc complete all as specified and directed.

All as per item No.14 here-in-before but except wood complete all as specified and directed.

S&F CGI sheeting 0.63 mm thick with two corrugation side lap fixed with L or J type bolts in roof walls etc with grade of zinc coating 275 gm/sqm complete all as specified and as directed.

All as per item No.16 here-in-before but except sheets complete all as specified and directed.

S&F 0.63 mm thick Plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) with L or J type bolt, grade of zinc coating 275 gm/sqm complete all as specified and as directed.

M&L 2nd class hard wood (Salwood) clean sawn battens sectional area exc 5 sqcm and n exc 15 Sqcm at 30cm spacing complete all as specified and as directed.

M&L 2nd class hard wood scantlings square or rectangular in section Exc 13 & N.exc 25 Sqcm clean sawn of size 50mmx50 mm used as rafter and purlin and fixed to CGI Sheet with selftapping screws complete all as specified and as directed.

All as per item 20 above, but fixing only scantlings obtained from dismantling.

M&L Mangalore pattern roof tiles inter locking at side and joints laid dry complete all as specified and as directed.

All as per item No.22 here-in-before, but except tile complete all as specified and directed.

M&L Ridge or hip tiles to suit Mangalore pattern roofing tiles, bedded and jointed in CM (1:6) complete all as specified and as directed.

All as per item No.24 here-in-before, but except Ridge or hip tile complete all as specified and directed.

M&L Filleting in any position and to any shape in cement mortar 1:4 sectional area exc 25 but n. exc 50 Sqcm complete all as specified and as directed.

M&L Preparing surfaces of new wooden battens of any description or girth and applying two coats of creosote oil complete all as specified and directed.

Dismantling of AC Corrugated or semi corugated in sheets/plain sheet fibre sheet in roof covering complete all as specified and as directed.

M & L for 6 mm thick asbestos cement corrugated sheet fixed with L/J type or cranked hook bolts complete all as specified and as directed.

All as per item No.29 above, but excepts sheets

M&L for asbestos cement two piece adjustable plain wing ridge 6mm thick fixed with L type or J type or cranked hook bolts etc complete all as specified and as directed.

Demolition of brickwork or stone/boulder masonry, built in cement mortar with all quoins, arches, pillars, etc but excluding ashlar facings, dressed stone work and precast concrete articles including disposal of the rubbish out off the premises complete all as specified and as directed.

M&L Brick work with fly ash bricks old size, straight or curved on plan exceeding 6.0 metre mean radius built in CM (1:6) complete all as specified and as directed

M&L Brick work with fly ash bricks old size, straight or curved on plan exceeding 6.0 metre mean radius in half brick thick walls built in CM ( 1:4) complete all as specified and as directed

Taking down cement plaster from brick/stone wall of any description etc including raking out joints, hacking for key, scrubbing down with water, etc. complete all as specified and as directed.

M&L Rendering 15 mm thick CM (1:4) on fair faces of brick work or stone masonary surfaces and finished the surface smooth and even without using extra cement complete all as specified and as directed

M&L Rendering 12 mm thick CM (1:4) on fair faces of brick work or concrete surfaces without using extra cement complete all as specified and as directed

M & L Rendering 5 mm thick inCM (1:3) on concrete surfaces of ceiling finished even and smooth without using extra cement in patches n exc 3 sqm each patch all as specified and as specified.

M&L Preparation of newly plastered surfaces of walls and applying two coats of cement based paint over a coat of alkali resistant primer complete all as specified and as directed

M&L Preparation of newly plastered surfaces of walls and applying three coats of white wash complete all as specified and as directed

M&L Preparation of newly plastered surfaces of ceilings and applying three coats of white wash complete all as specified and as directed

M&L Preparation of newly plastered wall surfaces and applying two coats of oil bound distemper (oil emulsion) over a coat of alkali resistant primer and 3 mm thick wall care putty in two layers complete all as specified and as directed.

Taking down of old bituminous tarfelt or any other type of roof treatment from roof/ concrete surfaces removal to distance exceeding 250 metres and not exceeding 500 metres from the site and cleaning of the roof surface with wire brush to make it free from dust, dirt etc complete all as specified and as directed

Demolition of RCC water tank ,chajja of any description and in any position not otherwise specifically provided rainforced (rainforcement of cut as required to facilasite demolition etc) including disposal of the rubbish out off the premises complete all as specified and as directed.

Demolition of cement concrete of any description and in any position not otherwise specifically provided in roof padding concrete etc complete including disposal of the rubbish out off the premises complete all as specified and as directed.

M&L PCC (1:2:4) Type B0 (using 12.5 mm graded stone aggregate) with water proofing compound @ 2% by weight of cement or as per manufacturer's instructions as in levelling course, haunching, coping and similar works over RCC roof surface and RCC over head tank top surface including rounded or chamferred on edges and formwork etc complete all as specified and directed.

M&L Rendering 10mm thick CM (1:4) on roof surfaces duly mixing with water proofing compound at the rate of 3% by weight of cement and finished even and smooth complete all as specified and as directed Note: Water proofing compound will be measured and paid separately under relevant item in this schedule

M&L 20mm thick screed bed in CM (1:4) duly mixing with water proofing compound at the rate of 3% by weight of cement or as per manufacturer's instructions surface etc complete all as specified and as directed. Note: Water proofing compound will be measured and paid separately under relevant item in this schedule

Supply only water proofing compound

Supply only polymer based lilquid water proofing compound.

M & L Providing water proofing treatement with APP based polymeric membrane minimum weighing 3 kg/ Sqm and minimum 3mm thick reinforced with polyester non oven fabric ( weight not less than 150gm/Sqm) applyied on one coat of oil based bitumen emulision primer @ 0.3 lit per sqm (as per the directions of manufacturer instructions) including cleaning of surface thoroughly from dust, dirt and projections. Laying of membrane by forced ( torch) application with 10cm overlaps . A coat of blown bitumen 85/25 grade @ 1.2 Kg/sqm to be applied on top of memberane, finally coating the surface with bituminous aluminium paint @ 100gm/Sqm complete all as specified and directed.

M&L Providing application of one coat of water based bitumen emulsion primer at the rate of 0.3 litres per square metre after cleaning of the surfaces thoroughly from dust, dirt and projections and applying water proofing treatment with APP based polymeric membrane of weight 3.5 Kilogram per square metre and minimum 3 mm thick reinforced with polyester non wove fabric (weight not less than 150 grams per square metre) as per IS 3384 on primed surface by forced application over roof surfaces with the over laps of 10 centimetres APP, membrane grit finish on roof slab all as per manufacturer's instructions complete all as specified and as directed.

M&L Providing 300 mm x 300 mm x 20 mm thick PCC tiles (Hydraulically pressed) with grey cement, set, jointed, cut and polished. The joints shall be grouted and immediately after gouting, the joints shall be pointed flush in in CM (1:3) mixed with 150ml per kg of cement of polymeric based lilquid water proofing additive by weight of cement or as per manufacturers instructions etc all as specified and directed. (Note : Supply of polymeric based liqluid water proofing compound will be measured and paid separately)

M&L for making the grooves to 'V' section in existing parapet walls/columns over RCC roofs, cleaning out and tacked the polymeric membrane in to the grooves and sealed solidly with a hot mixture of bitumen and clean dry sand in the ratio of 1:1 by weight etc complete all as specified and directed.

M & L for wire brush and cleaning any type over roof and chhajja top surface etc, including flashings and junction of parapets, etc., and surface painting, with a layer of blown bitumen of any penetration applied hot @ 1.7 kg per sq. m, blinded with grit or pea size gravel @ 0.006 cu. m per sq. m, and lightly tampered (area of flashings, etc., shall be added to the roof area) complete all as specified and as directed.

Disconnecting existing tanks disconnecting existing tank, setting aside (or lowering if required) for repairs, cheaning, etc. and hoisting if required reconnecting and re-fixing in position. (Cleaning repainring, etc. measured separately), exc 250& not exc 500 litrs tanks complete all as specified

Disconnecting existing tanks disconnecting existing tank, setting aside (or lowering if required) for repairs, cheaning, etc. and hoisting if required reconnecting and re-fixing in position. (Cleaning repainring, etc. measured separately) , exc 500& not exc 1000 litrs tanks complete all as specified.

S&F in repairs 1000 litres capacity rotational moulded polyethylene water storage tank of triple layer type(cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I complete all as specified and as directed

S&F in repairs 500 litres capacity rotational moulded polyethylene water storage tank of triple layer type(cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-I complete all as specified and as directed

Dismantling wall and ceiling boards (fibre, pulp, insulation etc) or insulation boards / slabs / blankets any thickness including cover fillets etc complete all as specified and directed..

S&F in repairs false ceiling of Mineral Fibre Acoustical Suspended Ceiling System with FINE EDGE TILES ARMSTRONG SILHOUETTE EXPOSED GRID SYSTEM. The tiles should have humidity Resistance (RH of 99%, NRC 0.55 Light reflectance 85% thermal conductivity K=0.052-0.057 w/m k. colour white, fire performance class O class 1 (BS476 Part 6 & 7) in module size of 600 x 600 x 16 mm thick with Bio black coating on the face of the tile, suitable for Green building application, with the re cycled content of 63%. The tile shall be laid on Silhouette profile grid system with 15mm white flanges incorporating a 6mm central reveal in white/black colour and with a web height of 45mm and a load carrying capacity of minimum 15.68 Kg per Squaremetre. Silhouette main rummers & cross Tees to have mitred ends and "birdsmouth" notches to provide mitred Cruciform junctions. The Tee sections should have a galvanizing of 120 grams per squaremetre & passed through 500 hours of salt test complete all as specified and as directed. Note : The quoted rate is deemed to be inclusive of cost of necessary scaffolding work required at site. Make: Armstrong or equivalent as approved by GE

S & F Providing E Grid suspended false ceiling grid system of size 600 x 600mm with main runner 39x29.7x0.60mm cross tee 29x24.7x0.60mm and wall angle 22.2x22.2x0.50mm ceiling suspended with 2 to 2.5 mm dia GI wire hanger fixed to purlin / truss etc complete (Main runner, cross tee, wall angle of MS galvanised with PPCGS) over the grid providing 4mm thick HPSC pre primed self designer texture non asbestos fibre cement building board fixed to frames etc complete all as specified and and as directed

ATUL ENTERPRISES (BID ID -3120180)

M/S RADHIKA ENTERPRISES (BID ID -3119893)

MVS ENTERPRISES (BID ID -3120163)

R G NAIDU CIVIL CONTRACTOR AND BUILDERS (BID ID -3119929)

SAI RAM CONSTRUCTIONS (BID ID -3126679)

S.R.M.K Enterprises (BID ID -3129549)

BEEGEE DESIGN SYSTEMS (BID ID -3129086)

M/S DIVIJA BUILDERS (BID ID -3129926)

Vara Enterprises (BID ID -3129741)

M/S C MALLIAH & SONS (BID ID -3129015)