Construction of 6 Nos. Modular Rainwater Harvesting Systems of 200 Cum Capacity Using Polypropylene Block Structure and 400 GSM Geotextile Sheet in Sector - 15 Part-I and II Parks under Municipal Corporation Gurugram.

Supply and installation of Re-Polymer based modules of make (Honeycomb Structure) made up of recycled polypropylene capable of taking vehicular movement up to 30 tonnes with adequate backfilling and 4 small plates combination creating 4 spans inside the module. These modules are made from combination of large (683*410mm) and small (369*410mm) plates along with external locks. Each large plate should have minimum fourteen external locking slots in order to give stability to tank. These tank should have optimum connection and block stability using double lock stability. Each single tank is made of four large and four small plates in case of single tank and 13 large and 16 small plates for quadruple tank. Capacity of single tank is (.683*.410*.450 mtr) equals to 0.126 CUM(gross). Weight of each large plate should be minimum 1.3 Kg and each small plate should be at least .650 Kg. The design to be approved by Engineer-in-Charge.

Supply and installation of non-woven geotextile having thickness of 400 GSM, having minimum tear strength of 250 ASTM D4533, Width wise minimum 215 ASTM D4533 having puncture strength of 1550 plus as per ASTM D6241 Having elongation at Break of 57% plus as per ASTM D 4595 in double layers, made out of long fibres to hold the modules including cutting, sizing, Heat welding and needle punched for high porosity and proper percolation. complete as per entire satisfaction of engineer-in- charge.

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Construction of 6 Nos. Modular Rainwater Harvesting Systems of 200 Cum Capacity Using Polypropylene Block Structure and 400 GSM Geotextile Sheet in Sector - 15 Part-I and II Parks under Municipal Corporation Gurugram.