tender for providing maintenance work of 80 kw solar plant at main builidng csmc twon hall phase - iii- 1 supplying and installation of solar pv module cleaning unit consisting of nozzles spray, necessary pipes, valves, post, electronic panel board concealed with weather proof cabinet, spreading water periodically for removal of dust, related motor pump, controller, timer and nozzles set suitable for covering 5 kw solar pv module. (approx. 35 sq. mtr. pv module area).(note- 23985+(4500x15)=91485)dsr no.4-8-8 2 supplying and erecting 16/20 mm (id/od) chlorinated polyvinyl chloride pipe (cpvc), thickness 2.0 mm conforming to is 15778 (cts series) with necessary cpvc fittings and solvent cement for solar water heater system as per specification no. esd-hwp/cpvcdsr no.4-2-17 (as per dsr 2022-23) 3 supplying & erecting minimum three & above star rated centrifugal water pump (monoblock), 230v, single phase 50 cycles a.c. supply of 1.125 kw/1.5hp with discharge 198/50 litres per minute (lpm)) for head of 15/37.5 m & 40 mm suction/ 32 mm delivery pipe on provided c.c.foundation as per specification no. wp-cgpdsr no.12-1-3 4 supplying, erecting, testing and commissioning of d.o.l starter suitable for 250 v, single phase 50 hz with overload element with necessary materials and connected to supply upto 3 hp.dsr no.12-4-1 5 supplying & erecting flat flexible 3 core 4 sq.mm pvc sheathed submersible type copper cable suitably clamped at fixed intervals with column pipe assembly complete.dsr no.12-4-9 6 providing and fixing high-density polyethylene (hdpe) container one piece moulded triple layer water tank made out of high density polyethylene and built corrugated inclusive of delivery up to destination hoisting and fixing of accessories such as inlet, outlet overflow pipe inclusive of all tanks capacity up to 20000 litres. dsr no. 4-8-7 7 supplying and erecting 20 mm dia gun metal gate valve complete with pn16 pressure rating, as per specification no. ff-vl/gvdsr no.13-7-31 8 supplying, installation and testing of maintenance free earthing comprising of electrode of 17.2 mm diameter low carbon steel with 250 micron molecular copper bonded earthing rod of length 3m along with 25 kg carbon based environment friendly back fill ground enhancing compound required to fill up the excavated earth with required quantity complete, and recording the results specification no. ea-mobidsr no.9-1-5 9 supplying and erecting gi strip of high purity required size used for earthing on wall and/or any other purpose with necessary gi clamps fixed on wall painted with bituminous paint with joints required. as per specification no ea-ep.dsr no. 9-2-3