REPAIRS TO MANGALORE PATTERN TILES GALVALUME SHEET ROOF OVER ROOF PUF SHEET ROOF AND RCC ROOF IN ZONE B AND ZONE C UNDER AGE BR I AT INS SHIVAJI LONAVLA

Amount

Completely removing existing water proofing treatment of any descriptions and any type including top layer of plaster / china mosaic wherever occurs over roof and chhajja surfaces and scrubbing the surface with wire brush and cleaning wash down with water to receive new cement plaster / PCC layer and removing the waste material / debris to a distance exc. 1500m but n.exc. 2000m etc complete all as specified and directed by Engr-in-charge.

M/L for rendering 10mm thick in cm 1:4 on concrete roof and chajja surface to get a uniform level surface for laying of membrane treatment all as directed

M/L for PCC 1:2:4 type B-1 (using 20mm graded agg) for PCC padding on RCC roof surface finished even and smoother using extra cement all as specified and directed by Engr-in-Charge.

M&L for water proofing treatment to RCC roof slab all as specified below and as directed:- a) Apply one coat of bitumous primer @ 0.25 Kg/Sqm. (b) Apply a coat of blown type bitumen grade 85/25 heated to working temperature of 180 degree centigrade and applied at 1.20 Kg/Sqm of the surface area. (c) Laying APP polymer modified membrane 4mm thick with non woven polyster reinforcement weighing not less than 4.00 Kg/ Sqm applied by torch application method. (d) Apply a coat of blown type bitumen grade 85/25 heated to working temperature of 180 degree centigrade and applied at 1.20 Kg/sqm of the surface area. (e) Apply a coat of solar reflective bituminous aluminium paint @ 0.10 Kg/Sqm.

Dismantling of Galvalume sheet roofing any gauge and any thickness including ridge, valley gutter etc.

Dismantling roof boarding of any description fixed in any position fixed with nails.

S&F Pre painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of any design/colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws at any height all as specified and as directed.

S&F Pre painted galvalume aluminium 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 as specified.

Dismantling structural steel work including doors, gates but excluding framed truss etc.

S&F for rolled steel section/ ms plates as in Posts, trusses (framed) Purlins, Rafters, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections of Fe410-W (Gde-E-250) qualit-A including fixed with welded/ rieveted joints or distance pieces, cleats etc.

S&F for rollled steel section as wind ties over roof sheet including securing with bolts/J hooks or self tapping screw at any height including necessary scaffolding etc all as directed Enngineer-in-charge

M&L for preparation of new steel surface of steel and applying two coats of synthetic enamel paint over a coat red oxide primer

M&L for Preparation of Old steel surface of steel and applying two coats of synthetic enamel paint

Disconnecting existing tanks of any capacity setting aside (or lowering if required) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position after carrying out Roof treatment with all accessories all as specified and directed

Demolition of Reinforced cement Concrete water tanks of any size and any height over roof slab and making roof suface ggod including removing debris all as directed

Dismantling Mangalore pattern roofing tiles single layer including ridge tiles.

Dismantling battens for tiles any size exceeding 15cm in spacing.

Dismantling wooden fillets in rafter purlins etc unframed work under 40 sq cm in sections.

Dismantling of CGI/PGI sheet roofing any gauge and any thickness including ridge, valley gutter etc.

Dismantling boarding any description fixed in any position fixed with nails.

S&F 0.63mm thick corrugated galvanised mild steel sheeting with zinc coating of 120 gram/SqM, grade 'O' with two corrugation side lap, with corrugation of grade 'B' 12.5mm depth fixed with 'L' type or 'J' type or cranked hook bolts and washers in roofs, walls etc.

All as per item no 6 above but fixing only in repairs Old CGI sheet

S&F 0.80 mm thick plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings(length and girth as fixed) with zinc coating 120 gram/SqM grade 'O'. Note :- Plain area will be measured for payments irrespective of curve/velly

M&L Roof tiles, Mangalore pattern, interlocking at side joints, laid dry

All as per item above but fixing only roof tiles obtained from dismantling.

M&L ridge or hip tiles to suit Mangalore pattern roofing tiles bedded and jointed in CM 1:6 using class 'AA' tiles.

All as per item No 11 above but fixing only ridge or hip tiles obtained from dismantling.

M&L cement filleting in CM 1:4 in roof sectional area n.exc 25 sqcm in repair.

M/L 2nd class hard wood battens sectional area exc 5 sqcm and n.exc 15 sqcm clean sawn @ 30cm spacing all 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 all as directed.

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

SAI SAMARTH ENTERPRISES (BID ID -3120211)

DWARKESH STRUCT-CON (BID ID -3120124)

Durga Enterprises (BID ID -3123245)

VIJAYA ENTERPRISES (BID ID -3123439)

United Engineers and Contractors (BID ID -3110178)

KARPE AND SONS CONSTRUCTION (BID ID -3109514)