REPAIR/MAINT OF LEAKAGE/SEEPAGE FROM ROOF IN CERTAIN BUILDINGS OF TECHNICAL AREA OF 3 BRD AT AF STATION CHANDIGARH UNDER GE (AF) MC CHANDIGARH

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 n.exc 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 n.exc 5Km, complete all as specified and directed.

Demolition of mud in roof, any thickness, including plastering and leaping (whether full thickness removed and demolished upto mother slab) and removal of all rubbish outside defence land upto a distance exc 1.5 Km but n.exc 5 Km, 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 rendering 15mm thick in cement mortar (1:3) using WPC @ 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 by Engineer-in-charge.

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.

M&L for cleaning the surface before final treatment on roof as specified, applying the double layer of glass fibre mesh of 60 GSM over the roof using poly plastic fibre adhesive mix/Eazeecoat Ultra mix in the following manner :- (a) Making poly plastic fibre adhesive mix/Eazeecoat Ultra mix by adding polyplastic fibre adhesive/Eazeecoat Ultra and white cement in equal proportion and add 25% water in it to make the mixture per manufacturer instructions. (b) The double layer of fibre mesh to be spread on the roof & apply two coat of above mixture of poly plastic fibre adhesive/Eazeecoat Ultra with a roller & brush to cover the fibre mesh throughouly. (c) Process of roof lamination :- Lamination/top coat on the roof using poly plastic fibre coat/Eazeecoat Ultra with white cement & water as per manufacturer instructions. Top coat is ammonia free, w/o any harmful effects & is flexible in nature. (d) Minimum thickness of the treatment shall be 2mm. Make : Nerolac Perma/ European Paints & Chemicals or equivalent approved make.

All as per item No. 8 here-in-before but as in chajjas.

M&L for disconnecting of PVC tank of capacity n.exc 500 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.

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.

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan necks etc. including cleaning or refixing or removal to store.

Providing & fixing false ceiling 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 476 (part 4 )-1970 and light reflectance of 85% (minimum) to be laid in true horizontal level suspended on inter locking 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 size 600 x 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 1000 mm 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 tiles 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 Engr-in-Charge. Make : Diamond/ Dexune/ Everest Armstrong.

S&F 200 mm dia PVC (SWR) pipes Single socketed in any length with rubber rings joints fixed to walls complete all as specified and as directed.

S&F 110 mm dia PVC (SWR) pipes Single socketed in any length with rubber rings ljoits fixed to walls complete all as specified and as directed.

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

S&F 110 mm dia PVC (SWR ) bends any radius complete all as specified and as directed.

Demolition of brick work as in walls/ parapet walls built in Cement Mortar, removing grass fungus weed, roots of trees completely, grown on roof/wall surfaces.

M&L for Brick work with sub class ‘B’ brick, straight or curved as plan exc 6m mean radiusbuilt in cement mortar 1:6 complete all as specified.

M&L for preparation of old plastered/concrete surfaces of walls and applying one coat of oil bound distemper, white or tinted at any height including necessary scaffolding etc complete all as specified and as directed by Engr-in-Charge.

M&L for preparation of old plastered /concrete surfaces of ceiling and applying one coat of oil bound distemper, white or tinted at any height including necessary scaffolding etc complete all as specified and directed by Engr-in-Charge.

M&L for preparation of old plastered/concrete wall surface and applying one coat of 100% premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/10 Sqm complete all as specified and directed.

Note :- Amount of credit of Rs. 20375.00 for retrieved materials is mentioned in Schedule of Credit of tender documents in pdf form which will be deducted offline while acceptance of tender.