SPECIAL REPAIR TO ROOF TREATMENT AT CERTAIN BUILDING AND ADDN ALTN TO IMMOLS SERVER ROOM AT LOGISTIC COMPLEX AND ADDN ALTN TO CERTAIN SWTS AT CERTAIN UNIT UNDER GE AF NO 2 JODHPUR

Demolition of cement concrete in ground floors and pavings not exceeding 15 cm thickness (below/above ground level) including floor finishes & removing debris outside the premises complete all as specified & directed by the Engineer-in-Charge.

Taking down old existing roof treatment (APP membrane) and removing from site complete all as specified and as directed

Demolition of cement concrete of any type description and in any position complete including removing debris outside the premises complete all as specified & directed.

Cutting out cracks to V-section in existing roofs or terracing, cleaning out, wetting, grouting with cement and sand slurry 1:3 complete all as specified.

Brushing neat cement slurry with 3kg of cement per sqm complete all as specified.

M & L for 40 mm thick cement concrete 1:2:4 type B-0 m (12.5 mm graded stone aggregate) in padding finishing surface of concrete topping even and smooth without using extra cement complete all as specified.

M & L for cement concrete 1:2:4 type B-0 (12.5 mm graded stone aggregate) in tank platforms even and smooth without using extra cement complete all as specified.

M & L for 10mm thick plastering in CM 1:3 on green concrete roof surfaces with water proofing compound @ 3% by weight of cement, surface finished even and smooth without using extra cement complete all as specified.. Note :- WPC shall be measured and paid separately.

Supply only integral water proofing compound ISI Marked

M & L prepration of surface and providing Waterproofing membrane moisture cured, Polyurethane elastomeric liquid membrane waterproofing coating cold applied with brush/roller, with an elongation of >500% and tensile strength of 2 MPa as per ASTM D 412, 90 % Solid Content, shore A Hardness of min 50 as per ASTM D 2240, The system includes final base preparation as per note given below, PU primer application at 8Sqm/L and applying PU chemical in two coats at 1.8 kg per Sqm providing 1.5 mm DFT, complete as per Manufacturer specifications, Waterproofing membrane to be terminated on parapet wall in a V groove of size 25 mm x 25 mm atleast 300 mm above FFL which should be sealed with Polymer Mortar complete all as specified and directed for work in building/structure of any height, Completed as per manufacturer instruction. Note: Surface Preparation: (i) The surface to be treated should be sound and free from all types of dirt, dust and debris. Clean surface by brushing, scraping or chipping to eliminate all defective materials and foreign matter. Proper surface preparation needs dry mechanical grinding to expose base Substrate. ii) Reinforced geotextile membrane dipped in PU liquid Membrane before the 1st coat application.