ADDN/ALTN/IMP TO POL AND SALVAGE STORE OF LOGISTIC SECTION AND CERTAIN SANCTIONED WORKS AT AF STN THANE SITE P UNDER GE (AF)THANE

Demolition of cement concrete of any description and in any position not provided and as in roof padding, roof curb etc complete all as specified and as directed. Note: - (a) Demolition should be done carefully to roof slab. (b) Any damage occurred in the roof surfaces during demolition shall be made good by the contractor without extra cost to the department. (c) Disposal of debris/retrieved materials shall be thrown out from site at a place shown by the Engineer-in-Charge.

-ditto- all as per item No 1.00 here in before but re-inforced cement concrete.

Material and labour for providing plain cement concrete 1:2:4 type B- 1( using 20mm graded stone aggregate) as in roof padding , roof kerbs or mud stops, rounded or chamfered on edges laid in slope as per requirement and mixed with integral water proofing liquid admixture as per manufacturer's instructions complete all as specified and as directed. Note : (i) Integral water proofing liquid admixture shall be measured and paid separately under appropriate item here in after.

M&L for rendering 15 mm thick (in two layers) in CM (1:4) on edges of concrete roof slab and chajjas surface finished even and smooth (without using extra cement) to get uniform level surface for laying of membrane treatement, using integral water proofing compound complete all as specified and directed. Note:- water proofing compound will be paid seprately.

Supply only integral water proofing compound.

M&L for cutting out cracks to V-section in existing roofs or terracing, cleaning out, and filling solidly with a hot mixture of bitumen and clean dry and 1:1 complete all as specified and directed.

Taking down carefully existing bitumen tar felt including coba,plaster of any description over the surface of roof, terraces including flashings and junctions of parapet/curb walls etc and removing of the rubbish to a distance exceeding 500m but nexc 1.00km and depositing where directed complete all as specified and directed.

Material and labour for water proofing treatment with APP based standard membrane over 15 mm thick PCC padding in CM (1:4) in roof with the following courses of treatment for:- (a) Apply bituminous primer (IS 3384) @ 0.40 Lit per sqm of the surface area including cleaning the surfaces complete all as specified. (MAKE : TEXSA/BITUMAT/BITUNIL/SIKA) (b) Apply APP plastomeric bitumen based water proofing membrane polyester reinforced (3Kg/Sqm) with 10cm over laps and torch bonded at joints including surface preparation before and after application of treatment as per manufactures instruction complete all as specified. (Make of APP Membrane: Moply FP 3 mm mineral of TEXA/WP Shield 103 PM of SIKA or Equivalent material of BITUNIL/BITUMAT. (c) Over the membrane provide a solar reflective bituminous aluminium paint @ 0.1 Lit/sqm prescribed by manufacturer complete all as specified.

S&F anodised aluminium snap grid frame work with grid of 605mm x 605mm for false ceiling all as specified complete all as specified and directed .

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.