AE/NKHSD-I/NIeT-13/25-26/SL-02

Repair to roof cracks with Bitumen (VG-40) including cutting grooves and cleaning cracks, heating bitumen as directed and finished with sand blinding. (Bitumen 1.687 Kg/ Sq.m, Medium Sand 0.6 Cu.m/100 Sq.m) (Bitumen to be supplied by contractor Radiology roof

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor). [Excluding cost of chipping over concrete surface] (i) With 1:6 cement mortar 20 mm thick plaster a) In ground floor

b) In First Floor

c) In second floor

d) In third floor

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. a) In ground floor

b) In First Floor

c) In second floor

d) In third floor

Supplying, fitting & fixing UPVC pipes A- Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc if necessary and mending good damages including joining with jointing materails (Spun Yarn, Valamoid/Bitumen /M-Seal etc) complete. A) UPVC Pipes: (ii) 110 mm. Dia.

(iii) 160 mm. Dia.

B) UPVC Fittings: a) Plain Tee (ii) 110 mm. Dia.

(iii) 160 mm. Dia.

c) Bend 87.5 degree (ii) 110 mm. Dia.

(iii) 160 mm. Dia.

d) Shoe (ii) 110 mm. Dia.

(iii) 160 mm. Dia.

Supplying & laying 3mm thick pre-fabricated plastomeric water proofing membrane conforming to EN 12311-1 & ASTMD 5147, manufactured with atactic poly propylene (APP) modified premium grade asphalt , specially reinforced with non-woven polyester core with polyester reinforcement @160 gms per sqm & both faces covered with thermo-fusible polyethylene film /MineraL on top face over a coat of primer @ 0.40 lit/sqm of manufacturer's specification on smooth,clean dry surface prepared wherever required.Lap joint shall be provided of 75 mm in longitudinal & 100 mm in transverse direction and fused using LPG/ Propane torch employing extra care ensuring full bondage, complete removal of entrapped air and sealing edges into grooves in appropriate manner as per direction of Engineer -in-charge all complete including materials,labour and applicable taxes. (Payment shall be made on the basis of finished surface area.). RMO qtr roof

Emergent Roof Treatment by application of Ready-to-use, non toxic water base, cold applied, single component, elastometric in--situ seamless monolithic, acrylic modified bitumeous liquid waterproofing mermbrane ( Tarfelt LM or any other equivalent product after preparing the roof cracks by cement & sand mortar (1:4), prefarably with antishrikage mortar ( repair by mortar to be separatel), if any. Apply one coat @ 0.7 Kg/m2., without dilution the water), after application of a priming coat( diluted with water in the ratio of 50:50 and apply @ 400 grams/m2 of the mixture) ( time gap between coats--afterpriming coat allow it to touch dry, and after final coat allow 36 Hours for any future work) including the coat of materials and base cleaning, toole @ plants complete as per direction of the Engineer-in-charge. ( Conduct ponding test after 7 days of curing ambiet temperature) ( cover layer not required).