REPAIRS TO LEEKAGE/SEEPAGE IN ROOF, CHAJJA, WALLS ETC INCLUDING MISC REPAIR WORKS TO CERTAIN BUILDINGS IN WSA AT TECHNICAL AREA UNDER GE (AF) HASIMARA

Amount

Taking down cement plaster on brick or stone walls etc including racking out joints, hacking for key, scrubbing down with water complete all as specified and directed

Demolition of brick work or stone / boulder masonry, built in cement mortar including all quoins, pillars etc stacking the serviceable bricks after removing mortar and cleaning for re-use and disposal of debris and rubbish to a distance n.exc 100m as directed by the Engr-in-Charge.

Demolition of reinforced cement concrete in any position not otherwise specifically provided for complete all as specified and directed.

M & L for Brick work with sub class 'B' bricks, straight or curved on plan exc 6m mean radius, built in cement mortar 1:6 complete all as specified and directed.

M & L for rendering 15 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:6 and finished the surfaces even and smooth without using extra cement complete all as specified and directed.

M & L for rendering 5 mm thick in cement mortor 1:3 on concrete surfaces as in ceilings (sunshed, chajja etc) and finishing surfaces even and smooth without using extra cement complete all as specified and directed.

Supply only Liquid water proofing compound (ISI marked) complete all as specified and directed.

M & L Water proofing treatment on RCC roof etc. comprising with the following operation and as specified herein below and as directed:- (a) Taking down existing old tarfelt, bituminous compound including cleaning, picking, sweeping and washing down with water and brushing with neat cement slurry & 3 Kg per Sqm & removing debris (b) 15 mm thick plastering in cement mortar 1:3 mixed with water proofing compound (to be measured seperately) as per manufacturer instructions finished even & smooth. (c) Preparing & cleaning of fully dried cement plastered surface. (d) Applying one coat of cold bituminous primer to the plastered surface @ 300 ml per sqm conforming IS-3384 (e) A layer of APP based polymeric membrane membrane 3mm thick (minimum) weighing 3.5 kg per sqm reinforced with polyster non woven fabric (weighing not less than 160 gms/sqm) shall be applied over bituminous primer as specified above. Application of polymeric membrane shall be by torch application. The over lap shall be minimum 100 mm on transverse direction and 75 mm in longitudinal direction. (f) Two coats of green colour weather coat/acrylic paint over the APP based membrane as per manufacturer instructions.

M & L for 40 mm thick, plain cement concrete 1:2:4, type B-1 (using 20 mm graded crushed stone aggregate) as in pedding over rooffinishing the surfaces even & smooth without using extra cement complete all as specified and directed.

Dismantling of Plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings including ridges complete all as specified and directed.

S & F Pre-Painted galvalume aluminum 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 as per manufacturer's instruction complete all as specified and directed.

S & F Pre-Painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in ridges/vally gutter, fixed with self tapping screws as per manufacturer's instruction complete all as specified and directed.

M & L for preparing newly plastered surfaces of internal walls, etc and applying two coats of distemper oil emulsion over a coat of alkali resistant primer complete all as specified and directed.

M & L for preparation of new plastered surfaces of ceiling and applying two coats of white wash complete all as specified and directed.

M & L for 75 mm thick, plain cement concrete 1:3:6, type C-2 (using 40mm graded crushed stone aggregate) as in plinth protection/sub base/ hard standing etc, finishing cement concrete surface even and smooth without using extra cement complete all as specified and directed. Note: An amount of Rs. 6360.00 on account of credit schedule for schedule 'A' part - II shall be deducted from the total amount of BOQ to arrive at the contract sum.

Mazumder Construction

SHRI SURAJIT SIKDER

M/S BIJAY KUMAR SHIVA

M/S. KUMAR CONSTRUCTION CO.

M/S ANIL KUMAR BAUL

JOGINDER KUMAR GOYEL