REPAIR TO ROOF TREATMENT, CGI SHEET AND OTHER CONNECTED WORKS AT AF STN SONEGAON , NAGPUR

Amount

M & L for dismantling of Asbestos cement (corrugated, semicorrugated, etc.) sheets in roof coverings including wind ties complete all as specified and as directed.

S&f pre-painted galvalume aluminiun zinc coating GI based corrugated steel sheet 0.50 mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall,fixed with J hooks including self tapping screws and self drilling screws of appropriate size with rubber washer for water tight fixing 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 roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.

Demolition of brickwork or masonry built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and as directed.

M & L for brickwork with modular flyash bricks straight or curved on plan exc 6m mean radius built in CM (1:6) complete all as specified and directed.

M & L for rendering 15mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:6 to be finished even and smooth with out using extra cement complete all as specified and directed.

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

M & L for demolition of cement concrete un reinforced of any description and in any position not otherwise specifically provided for (above roof slab ie in copings etc ) including disposal of old materials to a distance not exceeding 100m complete all as specified and directed.

Taking down existing waterproofing treatment complete of any description from brick or RCC wall and RCC slab by scrapping including removal of rubbish where directed to a distance not exceeding 100m complete all as specified and directed.

Taking down cement plaster of any description including raking out joints hacking for keys scrubbing down with water etc complete and removal of debris off the premises complete all as specified and directed.

supply only liquid water proofing compound

M&L for 25mm thick plain cement concrete 1:2:4 type B0 using 12.5mm graded stone aggregate in CM 1:4 using water proofing compound as in roof padding to receive the topping layers complete all as specified & as directed. Note: WPC shall be measured and paid seperately.

M&L for PCC 1:2:4 type B1 using 20mm graded stone aggregate as in coping, kerbs, channels, water troughs and the like including weathering, slightly rounded or chamfered angles and throating etc. Including formwork complete all as specified and directed.

M & L for rendering 10 mm thick cement plaster on fair faces of brick work or concrete surfaces (top of roof) in cement mortar 1:3 without using extra cement finished even and smooth with using water proofing compound as per manufacturers instructions complete all as directed and specified. Note: WPC shall be measured and paid seperately.

M&L for Fe 410-W (Gde-E- 250) quality-A 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 etc.complete all as specified and as directed.

M&L for providing min 3 mm thick APP modified memberane in repairs over (Inaccessible) RCC roof with the following specifiations :- (a) Cleaning existing surface properly. (b) Apply oil bound bitumen primer @ 0.40 lit/Sqm manufactured by the same agency as that of APP with a density of 0.87 -0.89 Kg/Lit at 25 Degree Centigrade on the prepared dry roof surface.

(c) Providing and Laying APP modified water proofing membrane reinforced with non wooven polyster matt with physical propertities as under :- (i) Membrane weight >3.6 Kg/Sqm . (ii) Net woven polyester weight >160 gm/Sqm (iii) Softening point of membrane > 150o C (iv) Joint Tensile strength Longitudinal > 650 Sq Cm at 230o C & Transverse > 450/ Sq cm (v) Tear strength - Longitudinal > 300 N & Transverse > 250 N Direction (vi) Elongation > 30 % (vii) Impermeability under water pressure > 3 Kg/Sq cm Note:- APP membrane shall be laid using butane torch by Torch application with minimum 10 cm side overlap and 15 cm end lap. The laying of membrane shall be got done through authorised applicator of manufacturer of membrane. (d) Over the membrane provide a finishing with solar reflective bituminous aluminium paint @ 0.1 Kg/Sqm as prescribed by manufacture of membrane

"Supply and Application of 7 Layer SHR Waterproofing Coating System as per manufacturer application procedure on leaking concrete roof surface by thorough surface preparation with high pressure water jet min. 125 bars, opening the cracks, followed by one absorption coat of nano-tech enhanced elastomeric waterproofing (NEEWP) emulsion having UV resistance and min. 50% solids, filling and sealing the cracks, then over-coating with sandwich coat of NEEWP + Cement mixture as waterproofing layer with 80 GSM non-woven fibre mesh, application of 3rd coat of NEEWP + Cement mixture elastomeric waterproofing layer having +450% Elongation.

The surface is then to be tested for water tightness with ponding/ flooring test for min. 3 days and then top-coated with 2 Coats of SHR Coating - pure acrylic based, UV resistant, non-yellowing, bio-organism resistant (anti-fungal, anti-bacterial) conforming to BIS STD IS 17218:2019 with Pull off Adhesion 2.8 Mpa, passes 2000 hrs accelerated durability test, suitable for all types of cementitious surfaces, white colour, matt, surface coverage 3.25 SQM/Ltr/2 Coats, DFT 100 - 120 microns using brush, roller, airless spray gun as applicable. The product should be certified by NABL Approved Lab and application is to be done by company approved applicator only"

M&L taking down cement plaster of any description from brick,stone wall or concrete surfaces including raking out joints hacking for key scrubbing down with water,and rendering 15 mm thick in CM (1:4) in two layer (10+5) mixed with PD Proof 101 LW(+) intergral WP admixer @ 200 ml/bag of cement over two coats of super latex 302 in the ratio 1:4:7 (one part super latex 302, 4 part sand and 7 part cement )@ 1.50 Kg of homogenous mixture per Sqm in two coats and finished the surface even and fair without using extra cement complete all as specified and directed. Note : PD proof 101 LW (+) and super latex 302 shall be measured and paid seperately.

Supply only PD proof 101 LW (+) of make approved by AGE(I).

Supply only Super latex 302 of make approved by AGE(I).

M&L for Filling cracks by cutting 'V' groove cracks of internal and external plaster of wall ceiling /chajjas all along the racks up to 10 mm and remove the loose plaster /concrete by suitable tools , filling cracks with crack paste compound and apply the second coat after 10-12 hrs of application of first coat and external application must be coated with paint including necessary scaffolding of any hieght of approved make all as specifed and directed.

S & F stack clamps out of 50mm by 5mm flat iron and 16mm dia round iron stays, including bolts and nuts and securing ends of stays to wall or roof suitable for 110mm dia pipe complete all as specified and directed.

S & F in repairs UPVC (SWR) pipes 110mm dia single socketed in any length with rubber ring joints fixed to walls complete all as specified and as directed.

S & F UPVC (SWR) bends any radius 110mm dia fixed to wall or concrete surface complete all as specified and as directed.

karambir constructions

PURVA ENTERPRISES