Renovation Rehabilitation work of Existing Overhead Reserviors by Guniting concrete at Zone-6 (Ward No.-13) and Repairing of others OHR at Zone-1 (ward-2), at zone-3 (ward-10) and Zone-7 (ward-17) for Water Supply Scheme within Ghatal Municipality

Stripping off worn out plaster and raking out joints of walls, celings etc. upto any height and in any floor including removing rubbish within a lead of 75m as directed.(Ref PWD(bldg.)-P-11/It.-10)

Cleaning the exposed corroded Reinforcement as well as worn out concrete by sand blasting with air compressor including all materials, hire charges of machineries and labour etc. all complete as per technical specification and direction of the Engineer-in-Charge. (Ref PWD Roads & Bridge SOR, P-322, It-16.22) EQUAL TO - Stripping off worn out plaster

Dismantling R.C. floor, roof, beams etc. including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars. Extra rate for each addl floor over the rate of ground floor. (Ref PWD(bldg.)-P-10/It.-3-b)

Cleaning the exposed reinforcement preferably upto full diameter by wire brush, applying two coats of polymer based rust removing compound left for 24 hours, removing the coating and then applying two (2) coats of polymer modified anti corrosive protective coating formulated to inhibit the corrosion of reinforcement as per manufacturer's specification][Mode of measurement:The affected surface area of reinforcement shall be considered for payment] (Ref PWD(bldg.)-P-45/It.-6)

Applying epoxy based reactive joining agent for joining the old concrete with fresh concrete to be applied within manufacturer's specified time as per manufacturers specification. (0.4 Kg / m² of concrete surface). (Ref PWD(bldg.)-P-45/It.-7)

Removing corroded worn out portion of reinforcement (when the area of bar is damaged by more than 25%) by cutting and replacing the same by a new plain round bar of requisite diameter by binding with required lap / welding with old bar, including cost of reinforcement, complete in all respect including removing unserviceable materials from site as per direction of the Engineer - in - charge. Note : Payment on weight (Kg.) of new reinforcement. (Ref PWD(bldg.)-P-46/It.-11)

Clearing compound premises of shurbs, plants, jungles etc. by cutting and removing as directed (Specific permission of Engineer-in-Charge prior to execution will be necessary). (Ref PWD(bldg.)-P-268/It.-19)

Providing and inserting nipples with approved fixing compound after drilling holes for grouting as per Technical specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement/Epoxy (Ref PWD(Roads)-P-320/It.-16.04)

Sealing of crack / porous concrete with Epoxy Grout by injection through nipples complete as per clause 2803.1. (Ref PWD(Roads)-P-320/It.-16.07)

Guniting concrete surface with cement mortar (25 mm nominal thick) applied with compressor after cleaning surface and spraying with epoxy complete as per Technical specification. (Ref PWD(Roads)-P-320/It.-16.03)