CA NO. GE(I)(AF)/SHL/ 2022-23 REPAIR/REPLACEMENT TO CGI/CI/FRP, ROOF SHEETS, FALSE CEILING, FLOOR TILES, WALL TILES AND OTHER MAINTENANCE WORKS AT AF STN LAITKOR PEAK UNDER GE (I) (AF) SHILLONG

Amount

Note : All unserviceable materials obtained out of demolition/dismantling/taking down (other than those for which credit catered under Schedule of credit) shall be disposed of outside MoD Land. Quoted rates against respective item shall deemed to include for same.

B/R ITEMS Dismantling timber scantlings 40 Sqcm and over in section, in any position complete all as directed.

Dismantling boarding, any description, fixed in any position with nails complete all as specified and directed.

Taking down existing roof treatment including PCC padding over roof, removing complete layer of bitumen under PCC padding, cement mortar & felt cleaning the surface by hacking to receive plaster and removing demolished material outside MD land complete all as specified and directed.

Dismantling plain or corrugated steel sheeting/galvalume sheet any guage, thickness including Nainital or similar pattern roof covering,complete all as specified and directed

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

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

Hacking out old broken glass (any thickness size quality or description) from wooden frames or stone concrete or brick surrounds, glazed with putty or fixed with beeds complete all as specified and directed.

Taking up or down steel tubing and connections alongwith bib tap, stop cocks and other fittings including cleaning for refixing or removal complete all as specified and directed :-

15mm bore.

20mm bore.

Supply only integral water proofing liquid complete all as directed.

M & L for applying cement slurry over existing roof surface @ 3 Kg/Sqm complete all as specified and directed.

M&L screed bed or bedding layer of mortar, 15 mm thick, in cement mortar 1:4, over RCC roof slabs for laying water proofing treatment mixed with using water proofing liquid @ 150 ml per bag of cement complete all as directed. (Note : Water proofing liquid shall be measured and paid separately)

Supply and fix APP polymeric water proofing membrane, minimum 3mm thick and weighing not less than 3.5 Kg/Sqm , black finish reinforced with non-woven polyester reinforcement matt, with a thermo fusable finish laid over compatible cold emulsion bituminous primer applied at the rate of 0.40 Kg/Sqm by torching with a propane or a butane gas torch, with a overlap of 75mm on longitudinal direction and 100mm on transverse direction including sealing all as per manufacturer’s instructions complete all as directed. Note: (i) Coved fillets in PCC(1:2:4) type B-0 using 12.5mm graded stone aggregate, of radius 75mm shall be provided at the junction of roof and parapet wall/mumty/chimney/other vertical surfaces and thereafter surface painted with hot paving bitumen of Grade 30/40 confirming to IS-73, [email protected] Kg/Sqm over a coat of bituminous primer confirming to IS-3384 applied @ 0.40 Kg/Sqm. (ii) Polymeric membrane shall be taken to a height of 45cm (minimum) and then inserted inside the groove of parapet wall of brick masonry and shall be finished by a membrane flushing. (iii) The waterproofing treatment shall be got carried out by the manufacturer or their authorized applicators. (iv) In case of stone masonry parapet wall etc a groove of size 25mmx25mm(minimuim) shall be made in coved fillet at the junction of roof and parapet wall/mumty Chimny/other vertical surfaces and polimeric membrane insterted in groove and sealed with paving bitumen (v) Exposed surfaces of APP membrane shall be applied with one coat of bituminous aluminium paint @ 100 Gms/Sqm. (vi) Above aspects are deemed to be included in quoted rate.

S & F for pre-painted galvalume aluminum zinc coating GI based trapizoidal profile steel sheet 0.50mm thick (overall) of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as per manufacturers instructions complete all as specified and directed.

S & F for pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50mm thick (overall) of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as per manufacturers instructions completed all as specified and directed.

S & F 0.63mm thick galvanised corrugated mild steel sheeting in with two corrugation side lap, fixed with 'L' type or cranked hook bolt using profiled GI washer and bitumen washer in roofs, walls etc with grade of Zinc coating 120 (Type-VIII) complete all as specified and directed.

S & F for 0.63mm thick plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) fixed with 'L' type or 'J' type hook using profiled GI washer and bitumen washer in roofs, walls etc Zinc coating 120 (Type-VIII) complete all as specified and directed.

S & F anodised aluminium snap grid frame work for false ceiling complete all as per manufacturer's instruction & directed. Note :- (a) Size of main tee - 38x25x1.5mm. (b) Size of wall angle 25x25x1mm. (c) Size of grid 605x605mm.

S & F Hangers 6 mm dia. G.I. (upto 1200mm length) adjusting level fixed to roof slabs by means of ceilling cleats made out of G.I. flat 40 x 3 mm size 60mm long and expansion hold fasteners 12.5mm dia. 40mm long complete all as specified and directed.

S & F 10mm PVC insulation panels with EPS stuck to 1mm plain PVC sheet suitably placed in false ceiling grid made of Aluminium / G.I. / M.S. as per specification and drawing complete all as specified and directed.

M & L for 15 mm thick screed bed or bedding layer in cement mortar 1:4 for laying floor finishes complete all as specified and directed.

M & L for non skid ceramic tiles (coloured) 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm as in floors, set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles complete all as specified and as directed.

M & L for rendering 10mm thick in cement mortar 1:3 on fair faces of brick or concrete surfaces finished even and rough for receiving wall tiles/dado complete all as specified and directed.

M & L for non skid ceramic tiles (coloured) 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm as on vertical surfaces such as skirting or dado, set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles complete all as specified and as directed.

S & F 4mm thick sheet glass ordinary quality and glazing with oil putty in squares n exc 0.5 sq. m in each pane complete all specified and as directed.

S&F steel water tubing, galvanized, medium grade, with all fittings, fixed to walls and ceiling or in floor complete all as specified and directed for following sizes:-

15mm bore.

20mm bore.

kapoor and co

M/S RAGHU NATH SAH

R K CONSTRUCTION