GER-07/2022-23 Repair/Replacement of Roofing, Sheeting, Roof treatment, false Ceiling and other misc items of bldgs under the AOR of AGE B/R Dett-B of GE 862 EWS

Amount

Dismantling of plain or corrugated steel sheeting, any gauge, thickness including Nanital or similar pattern roof covering complete all as specified and directed.

Dismantling of asbestos cement (corrugated, semi corrugated etc) sheeting in roof covering complete all as specified and directed.

S&F for Pre-painted galvalume aluminium zinc coated GI based corrugated steel sheet 0.50mm thick of approved colour having tensile strength 550 MPa as in roof covering/cladding to wall fixed with self tapping screws including side and end lap as per manufacturer’s instructions complete all as specified and directed.

S&F for Pre-painted galvalume aluminium zinc coated GI based plain steel sheet 0.50mm thick of approved colour having tensile strength 550 MPa as in ridges, hips, valley gutters fixed with self tapping screws including side and end lap as per manufacturer’s instructions complete all as specified and directed.

S&F for 0.63 mm galvanised, corrugated mild steel sheeting with two corrugation side lap, fixed with 'L' or 'J' type hooks or cranked hook bolts and washers in roofs, walls etc with grade of zinc coating 275 gm/sqm complete all as specified and directed.

S&F for 0.80 mm thick Plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) with grade of Zinc coating 275 gm/sqm complete all as specified and directed.

Dismantling of timber scantling 40 Sqcm and over in section, in any position as in unframed or framed work complete all as specified and directed.

Dismantling structural steel work including doors, gates but excluding framed truss etc complete all as specified and directed.

M&L for MS tublar pipes joist, channel, angle, tee section, fixed independently, without connecting plates etc (cut to ordinary length ie within 20mm of the length indicated) conforming to Fe 290 grade E-165 complete all as specified and directed.

S&F for roof trusses (framed), trussed, purlins, crane gantries, rails and fastening and heavy brackets framing (beam, tee, angle, channel or flat sections) including distance pieces, cleats, etc. conforming to Fe-410-W (Gde - E-250) quality A complete all as specified and directed.

M&L Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment complete after dismantling of old unserviceble plates all as specified and directed.

S&F mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n exc 5cm long and exc 10 cm long and 10mm dia complete after dismantling of old unserviceble bolts etc. all as specified and directed.

M&L for preparation of new or previously untreated steel surfaces of any description, over 10cm in width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Demolition of Brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stone-work and precast concrete articles complete all as specified and directed.

M&L for stone walling of random rubble masonry, uncoursed, well bonded, bedded and soilidly hearted, built in cement mortar (1:6), complete all as specified and directed.

M&L for stone walling of random rubble masonry (except stones, using old unserviceable stone after cleaning), uncoursed, well bonded, bedded and soilidly hearted, built in cement mortar (1:6), complete all as specified and directed.

M&L for rendering 20 mm thick in cement mortar (1:6) on other than fair faces of brick work/stone walls, finished even and smooth without using extra cement complete all as specified and directed.

Complete removal of existing water proofing treatment over RCC roof, projections of any thickness, any type by stripping out old tar felt over roofs, parapets, chimney stacks etc laid horizontally or vertically including taking out layer of cement plaster etc and cleaning the surface with wire brush including removing debris from the site and depositing in low lying area where directed and providing following :- (a) Rendering 10mm thick in Cement mortar (1:3) on concrete roof surfaces and finish the surface even and smooth without using extra cement including mixing water proofing compound @ 2% by weight of cement. (b) Apply a coat of bituminous primer confirming to IS-3384@ 0.4 ltr/Sqm on newly plastered surface after curing as per IS-456 and dried. (c) After the primed surface has dried, apply a coat of hot blown bitumen(85/25 penetration) confirming to IS-702 @ 1.2 Kg/Sqm of the surface. (d) Provide polymeric water proofing membrane ISI marked laid with overlaps, bonded with hot blown bitumen, and laid by torch application method, end overlaps shall not be less than 150mm and side lap 75mm. Polymeric water proofing membrane should be five layered with centre core as 90 micron high molecular high density polyethylene film, min weight 3 Kg per sqm. APP membrane shall laid acorss the slope from lowest line of sloping roof towards ridge. (e) Over the APP membrane, apply a coat of semi hot blown 85/25 penetration grade bitumen confirming to IS-702 @ 1.20 Kg/ sqm and blinded with fine sand in dry condition @ 0.50 Kg / Sqm dusted over the bitumen coat Note : (i) Care shall be taken to avoid wrinkle and air gaps while sticking membrane to the bitumen applied surface. (ii) Ponding test shall be conducted for 72 hrs as directed by Engr-In-Charge. (iii) Water proofing compound shall be measured and paid for separately.

S&F for 4mm thick designer ceiling board in ceiling fixed with screw as per manufacturers instructions, laid over and including hot dipped galvanised iron in post grid with 24mm wide T section exposed flanges which shall be powder coated white. The frame work shall comprise of main runner made from 0.33 mm thick galvanised steel sheet of size 24 x 32 x 300 mm spaced at 1200 mm centres securely fixed to the structural soffits by approved hangers at 1200mm maximum centres. Hangers of GI wire 4 mm dia to be fixed by approved rawl plug or hanged with existing truss members. The last hanger at the end of each main runner shall not be greater than 450 mm from adjacent wall flush fittings of 1200 mm long screws Tee with (double stiching) to interlocked between main runners at 600 mm centre to centre from 1200 x 600 mm modules cross tee longer than 600 mm modules to be formed by fittings 600 mm long cross tee, tee perimeter wall angle shall be of 0.45 mm thick galvanised steel of size 19 x 19 mm and 300 mm long of white colour all as per insturctions including dismantling of existing board etc complete all as specified and directed.

Complete removal of existing tarfelt on pent roofs and applying a coat of bituminous primer @ 0.3 ltr/ sqm, applying for bituminous 85/25 grade @ 1.20 Kg/Sqm and providing APP based ploymeric water proofing membrane, five layered, of weight not less than 3 kg per sqm with centre layer core of 90 micron high molecular density polyethylene film and minimum 3mm thick reinforced with ployster non woven fabric (weight not less than 150 gms /sqm) laid on bituminous surface by forced application with minimum overlaps 10 cm for all sides sticked with suitable adhesive as per manufacturer instructions complete all as specified and directed. Note :- (i) The rate quoted shall be deemed to include for dismantling and refixing in position of wind tie and lighterning protection after carrying out the treatment. (ii) Care shall be taken to avoid wrinkle and air gaps while sticking membrane to the bitumen applied surface.

Supply only integral water proofing compound complete all as specified and directed.

S&F for clean sawn second class hard wood battens for wall penelling, sectional area exc 15 Sqcm and n exc 25 Sqcm, fixed to walls at 60cm centre to centre complete after dismantling of old unserviceable wooden wall panelling all as specified and directed.

S&F for solid PVC wall lining consisting of 5mm thick plain colour PVC sheet inclusive of solvent cement and fixing at site on PVC/wooden frame as per specification and drawing complete after dismantling of old unserviceble PVC lining all as specified and directed.

S&F for solid PVC wall lining consisting of 5mm thick wood grain printed PVC sheet inclusive of solvent cement and fixing at site on PVC/wooden frame as per specification and drawing complete after dismantling of old unserviceble PVC lining all as specified and directed.

S&F for 5mm thick PVC sheet fillet of width 35mm for wall panelling inclusive of fixing on to walls to make PVC frame as per specifications and drawing complete all as specified and directed.

Note:- The contract sum arrived after deduction of amount of Sch of credit as listed in tender Documents.

M/S MINTA & CO

KANWAL KUMAR GUPTA

M/S FAIZ AHMED KHAN

M/S SV CONSTRUCTIONS

SHIV SHAKTI TRADERS