miscellaneous specials required for delivery connections from new constructed reservoir at gutta 1 at gnc tirumala.-earthwork excavation for foundations and depositing on bank for all lifts and with an initial lead of 10m including all operational, incidental ,labour charges such as shoring, sheeting, planking, strutting etc., complete for finished item of work in ordinary soil-manual means upto 3m depth filling of foundation and basement with best river sand in layers of not more than 15cm thick each well watered to saturation and consolidation including cost and conveyance of all materials incidental charges ete complete. cement concrete using (1:2.5:5) 20 mm ( 0.54 cu.m) and 12 mm (0.36cu.m) nominal size hard broken granite crushed metal from any source conforming to the relevant isi standards for foundations etc., laid in layers of not more than 15 cms thick well compacted including curing, ,machine mixing, cost and conveyance of all materials etc., complete. hire charges for centering and scaffolding for footing centrifugally cast (spun) ductile iron pressure pipes for water, gas and sewage with socket spigot ends conforming to is.: 8329/2000 in standard working lengths of 4, 5 5.5 and 6 meter for classification k9 suitable for push-on-joint (rubber gasketd jointing) with cement mortar lining inside the pipes with outside zinc coating. rates are including transportation and excluding all taxes, -do- 150 mm -do- 100 mm lowering the c.i pipes, d.i pipes and fittings with s/s ends carefully into the trenches and laying them true to alignment and gradient including all sundries but excluding conveyance from source of supply as per bis no: 3114/85. -do- 150 mm -do- 100 mm centrifugally cast (spun) ductile iron fittings confirming to is: 9523/2000 having dimensions as per table. the rates mentioned here under are for fittings, zinc coated externally with inside mortar lining (with finishing as per class is 9523/2000) including transportation and excluding taxes for the following -do- di flanged sockets up to 500 mm dia -do- di flanged spigot up to 500 mm dia -do- di double flanged bends up to 500 mm dia -do- di double scoket bends up to 500 mm dia -do- di all flange tees up to 500 x 500 mm dia manufacture as per bis: 12820/89 with s.b.r. quality rubber confirming to bis: 5382/85, supply and delivery of rubber gaskets suitable for c.i/ d.i s/s pipes anywhere in a.p. f.o.r. destination departmental stores including cost of material, loading, incidental handling with companies standard packing, transportation, unloading and stacking but excluding all taxes. 150mm dia 100mm dia supply and delivery of rubber packing including conveyance, etc., but excluding taxes, etc, complete for 3 / 6 mm thick supply and delivery of bolts and nuts with double washers including conveyance, etc., but excluding taxes, etc., complete for to 1. supply and delivery of tamper proof di flanged single chamber air release valves with body and cover made of ductile iron grade ggg-40/sg-400/15 or ggg-50/sg-500/7 or equivalent as per is1865, is:3896-2 with food grade epoxy powder coating(ep-p) (min:250 micron) inside and outside of color blue ral 5005. all internal parts such as float, shell, cove bolts etc. made of austenitic alloy steel of ss aisi 304/316 and dn 50 float of and other components with abs/ptfe/epdm/nbr and generally conforming to din / bis / awwa standards (or) combination flange drilling as per is - 1538 and exclusive of all taxes and including transportation.-- 100mm dia,pn 1.6 mpa supply and delivery of resilient seated soft sealing gate valves (sluice valves) with body and bonnet of ductile iron ggg-40/sg-400/15 or ggg-50/sg-500/7 or equivalent asper is1865, is:3896-2 and wedge fully rubber lined with food grade quality grade w270grade epdm, replaceable spindle nut without gland packing with 3-o ring protection system on the shaft and seals of nbr. the valves should be vacuum tight and 100 leak proof with face to face dimensions as bs:5163 type a/is:14846. all the valves should be with fusion bonded electrostatic powder coating both inside and outside (min 250 microns)- ral 5005 with pocket less straight through body passage conforming to design standards of din-3202f4/bs:5163 type a flange drilling as per is - 1538 excluding all taxes, duties and including transportation for1.6 mpa. without by-pass -do- 100 mm -do- 150 mm labour charges for lowering and keeping in position of c.i. sluice valves, reflux valves and scour valves excluding cost of bolts,nuts,rubber insertions,slice valves and tails pieces -do- 150 mm dia -do- 100 mm dia labour charges for fixinng kinitic air valves with isolated sluice valves, double air valves / air cusion valves excluding cost of joining materoials such as bolts, nuts and rubber insurtions etc., complete -do- 150mm dia -do- 100 mm dia cutting c.i. / d.i. pipes of following dias without water in mains -do- 150 mm dia -do- 100 mmdia jointing c.i/ d.i. pipes and fittings with rubber gasket (push-on-joint), excluding the cost of the gasket but including all sundries filling with water, with a water lead up to 500m and testing to required pressure, etc. complete as per bis.no.3114/1994/ 12888/1987 . -do- 150 mm -do- 100 mm jointing the c.i. pipes, fittings and valves with flanged ends excluding cost of jointing materials such as bolts and nuts, rubber insertion, white lead and including filling with water with a water lead up to 500 metres and testing to required pressure etc., complete as per bis no.is 3114/1994/12888/1987. -do- 150 mm -do- 100 mm supply and delivery of pig lead 99.99 pure excluding taxes but including conveyance etc., complete.
