Protection, Repair of Joints of Aqueduct using chemical compounds at Hindon River and miscellaneous works from chainage 00 km to 14.60 km under 270 cusec Delhi Water Supply Maintenance Scheme

Protection/Repair of Aqueduct

P.C.C. 1:4:8 with cement, sand and 40mm gauge brick ballast in foundation, floor, apron and for other repair works where required including supply of all materials, labour and T&P etc. for proper completion of work.

Cement concrete 1:2:4 with 1 part cement, 2 parts coarse sand & 4 parts stone grit including all material, labour, T&P etc required for completion of work.

Dismantling of old dry damaged stone pitching and re-stone pitching 22.50 cm thick required work and preparing surface complete inside slopes of Hindon river bund excluding cost of stones but including carting of stones from one place to site of work including supply of labour, T&P etc

Raised and cut pointing 35 mm wide and 12mm thick with cement and local sand mortar (1:3) on stone work including all materials, labour. T&P ete required for the proper completion of the work.

Finishing/Painting of the external surface of walls with premium acrylic smooth exterior paint (asian apex Ultima paint or its equivalent) of approved shade to give an even shade in two coats after applying priming coat of cement primer including all material, labour T & Petc

Drilling and fixing injection packers in RC members including. Drilling Holes: Drilling holes in structural members at the intervals as per recommendation of engineer in charge. Cleaning of holes: Clean the holes by air blower prior to fixing nozzles. Fixing of Packers: Insert 12 mm dia.. 50-75 mm long injection packers in cleaned holes with moisture insensitive epoxy resin based putty or equivalent. Cutting of Packers. Cut the packers by cut of wheel after completion of grouting without damaging structural elements. Patching Hole:- After cutting of packer we patch the hole on epoxy putty.

Supply and apply single component. Polyurethane Injection foam based system for wet condition and temporary sealing, which cures to a dense flexible foam with a fine cellular structure Product Requirements: Viscosity cps 500-1300 at 23°C

Supply and apply 2 component, elastic, low viscous, solvent free. Polyurethane Injection resin based system for permanent sealing, that does not need the presence of water for hardening reaction Product Requirements: Viscosity of mixture < 100 mPa*s (at +20°C) Capable of penetrating cracks> 0.2mm wide with a CE Marking (European Conformity)-> Conformance label that product is approved to the essential requirements and under market surveillance

Making scaffolding and dismantling the same after completion of work including cost of material, labour, T&P, transportation etc, required for proper completion of work.

Painting with synthetic enamel paint of approved mentioned brand & shade in two coats on old work, ceiling porch, doors etc., including scraping, cleaning of surfaces & removing old loose paint.

Cleaning of big jhunds and snatching out of plants from 00 km to 14.60 km

Cleaning of big jhunds, bushes, wood plants upto 3m height from both sides of the pipe line including uprooting of rank, vegetations, grass, bushes scapling of girth upto 30cm and disposal of the same beyond 250 m from the site

Cutting of branches of trees along the pipeline I/c all labour, T&P and scaffolding etc required for proper completion of work

Writing Numbering & Warning on Pier and Pipeline from 00 km to 14.60 km

Numbering on Manhole shafts, piers of viaduct I/c cost of material, labour scaffolding and its transportation from manhole to manhole by any means such as tractor trolly or by any other auto vehicle etc on circle of 20 cm dia and 15 mm height of letters

Painting and writing caution/warning with synthetic enamel paint on RCC caution boards of size 2.00 x 1.00 m I/c all materials, labour T&P etc.

Labour cess@1%