REPAIR TO WATER PROOFING ROOF TREATMENT TO CERTAIN BUILDINGS AT TECHNICAL AREA AT BRD AF STN CHANDIGARH UNDER GE (AF) MC CHANDIGARH

Amount

Dismantling brick tiles or terracing tiles, single layer on roof and removal of unserviceable brick tiles / brick bats of rubbish outside defence land upto a distance exc 1.5Km but not exceeding 5Km, complete all as specified and directed.

Taking down existing bitumen felt including cement mortar bedding padding and cleaning the surface and removal of all rubbish outside defence land upto a distance exc 1.5Km but not exceeding 5Km, complete all as specified and directed.

Demolition of mud in roof, any thickness, including plastering and leaping (whether full thickness removed or only a part thereof) and removal of all rubbish outside defence land upto a distance exc 1.5Km but not exceeding 5Km, complete all as specified and directed.

Demolition of brick masonry work built in cement mortar including all quoins, arches, pillars, or in any position (after staging) etc. and removal of rubbish outside MOD land upto a distance exc 1.5Km but not exceeding 5Km and stacking of useful bricks/brickbats for credit, complete all as specified and directed

M & L for PCC 1:2:4 type B-0 (12.5 mm graded crushed stone aggregate ) as in padding on roof laid in 50mm thick average required thickness to maintain desired slope, finished even and fair without using extra cement, complete all as specified and directed.

Material and labour for cement concrete (1:2:4) type B-0 using 12.50 mm graded crushed stone aggregate, as in roof kerb, mud stops, benching , including use and waste necessary form work including demolition of existing cement concrete and removal of all rubbish outside defence land upto a distance exc 1.5Km but not exceeding 5Km, complete all as specified and directed

Material and labour for rendering 10mm thick in cement mortar (1:3) using WPC @ 0.200ML per 50Kg bag of cement on surfaces of roof and parapet, finished even & fair without using extra cement, complete all as specified and directed. Note:- WPC shall be measured and paid separately.

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

Material and labour for applying a coat of bitumen primer @ 0.3Kg/Sqm conforming to IS 3384 and laying 3mm thick APP modified water proofing membrane reinforced with non woven polyster matt having softening point not less than 150 degree centigrade, having tensile strength 650 N/Sqcm in longitudinal and 400 N/Sqcm in transverse direction by torch method with minimum 100mm side lap and 150mm end lap followed by application of a coat of hot blown bitumen 85/25 grade @ 1.2Kg/Sqm , complete all as specified and as directed. NOTE: The water proofing treatment shall be carried out by the Authorised applicator of the Manufacturers.

All as per item No. 09 here-in-before but on vertical surfaces, complete all as specified and directed.

Material and labour for cutting grooves in brick wall, 75mm wide and 65mm deep and shaping horizontal face of groove with cement mortar 1:3 complete all as specified and as directed.

Material and Labour for 40mm thick brick tiles laid over and including 15mm thick cement screed bed in cement mortar (1:6) using grey cement and grouted flush in cement mortar (1:3) mixed with 5% of crude oil by weight of cement laid on concrete roof, complete all specified and directed.

Material and Labour for applying two coats of solar reflective bituminious aluminium paint over APP membrane @ 0.20Kg/Sqm for two coats, complete all specified and directed.

Material and labour for brick work with fly ash bricks, straight or curved on plan exceeding 6m mean radius, built in CM (1:4), complete all as specified and directed.

Material and labour for brickwork with using retrieved subclass 'B' old size bricks, straight or curved on plan exc 6m mean radius, built in cement mortar (1:4), except bricks, complete all as specified and directed. Note : Old serviceable bricks retrieved from demolition against srl item No 4 here-in-before shall be reused after proper cleaning & washing etc.

S&F in repair PVC (SWR) pipes 200mm dia double socketed, in any length with rubber ring joints fixed to walls , laid in trenches, floors.etc including fixing arrangement like bracket at every 2m distance etc, complete all as specified and directed.

S&F in repair for 200mm PVC (SWR) bends any radius complete all as specified and directed.

S&F in repair for 200mm PVC (SWR) reducers complete all as specified and directed.

Material and labour for cement concrete (1:2:4) type B-2 using 40 mm graded crushed stone aggregate, as in foundation filling, mass concrete, complete all as specified and directed.

Supply and fixing in repair mild steel as in stairs (framed) including stringers, treades, anding, balusters, hand rails etc. including cleats, brackets, etc. of grade Fe 410 -W (Gde- E- 250) quality- A complete all as specified and directed.

M&L for preparation of new or previously untreated steel surfaces of any description, not otherwise described, over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified & directed.

M&L for preparation of old painted steel surfaces of any description, not otherwise described, over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer as per existing pattern/camouflag complete all as specified & directed.

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

Providing & fixing false ceiling with fully perforated 12mm thick micro tegular edged or 10 mm thick square edged GRG false ceiling tiles at all heights with GRG (Glass Fibre Reinforced Gypsum) false ceiling tiles of Size 595 x 595 mm of approved texture design and patterns having moisture content less than 2%, humidity resistance of 99%, NRC0.50 to 0.75 as per IS 8225:1987, Noncombustible as per BS 4 76 (part 4 )-1970 and light reflectance of 85% (minimum) to be laid in true horizontal level suspended on interlocking metal T-Grid of hot dipped galvanized iron section of 0.33mm thick (galvanized @ 120 grams per sqm including both sides) comprising of main- T runners of size 15 x 32 mm of length 3000mm,cross-T of size 15x 32mm of length 1200mm and secondary intermediate cross-T of size 15 x 32 mm of length 600mm to form grid module of s1ze 600x 600mm, suspended from ceiling using galvanized mild steel items (galvanizing @ 80 grams per sqm) i.e 50mm long, 8mm outer diameter M-6 dash fasteners, 6mm dia fully threaded hanger rod upto 1 OOOmm length and L shape level adjuster of size 85x25x2mm. Galvanised iron perimeter wall angle of size 24x 24x0.40mm of length 3000 mm to be fixed on periphery wall I partition with the help of plastic rawl plugs at 450 mm center to center and 40mm long dry wall wood screws. The work shall be carried out as per specifications, drawing and as per directions of the Engineer-in- Charge

M&L for disconnecting of PVC tank of capacity exc 500 Ltrs but n.exc 1000 Ltrs for cleaning including setting aside temporarily and refixing later in same position for water supply to enable water proofing treatment of roof slab beneath the tank in following laid down process all as specified and directed :- a) Dewatering & removing all settled silt, scale & dust from inside of tanks using coconut brush manually and applying bleaching powder and allowed to rest for 1 hour. b) Cleaning & rinsing the tank using fresh water to wash out complete and allowed to dry for 30 mins. c) Writing letters of 7 cm height using synthetic enamel paint (white colour) to mention date of cleaning incl rubbing out old letters written over the tank d) Refixing the tank with fittings as required in same position or raised/lower height after cleaning or water proofing treatment (as may necessary) complete all as specified and directed.

Note:- Amount of credit of Rs. 151925.00 for retrieved materials is mentioned in Schedule of Credit of tender documents in pdf form which will be deducted offline while acceptance of tender.

MS SACHDEVA BUILDERS

jmv engineers

MS FUTEC ENGINEERS

MOHAMMAD RASHID

shree balaji builders

KUMAR AND COMPANY

M/s Bhagwati Enterprises