Sewage And Infrastructure Development Corporation Of Goa Limited Tender

Demolishing cement concrete 1:3:6 or richer mix including disposal of material within 50 m lead.

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. unplasticised non-pressure PVC pipes for using underground drainage and sewerage system confirming to IS : 15328 - 2003 stifness class SN-8 (8 KN/m2,SDR -34

160 mm dia

Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying true to line and level and perfect linking for joints for P.V.C / H.D.P.E complete in all respects as per the direction of the engineer in-charge

160 mm OD

Jointing of rigid / SEL FIT PVC pipes by cleaning the pipe with solvent cement including the cost of solvent cement and hydraulic testing of joints etc. complete as per IS:7634-1975 Part 3, including hydraulic testing of joints as directed by the Engineer in-charge. 160 mm dia

Providing and laying cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 grade granite or basaltic stone 20mm nominal size) including centering shuttering and form work for encasing around S.W. pipes including bed concrete as per standard design in I S:4127.

150mm dia S.W. pipes

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in:

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge.

Transportation of Earth/ rubbish including loading, unloading upto 10km as per the directions of the Engineer in Charge

Desilting the gritty and silt deposits from manholes including necessary arrangements for lifting the deposits taking out and disposal within 5 K.m.s. as directed by the Engineer-in-charge

A) Manholes of upto 2.0 M depth

B) Manholes of upto 3.0 M depth

Flushing and rodding the Sewerlines to clear the chokes and removal of grit and silt so accumulated in manholes due to flushing and rodding outside and disposal to a distance of 5 km including, providing necessary tools, rods, flushing water tankers,ladders,safety equipment etc. complete.

Supplying, of HDPE pipes at store or site of work including loading & unloading stacking, transit insurance etc. Complete bearing ISI mark conforming to IS: 14333 - 1996 and made from PE 100 resin Class IV(10kg/cm2). 160 mm dia

Jointing of HDPE pipes by heating the two ends of the pipe with electrically heated mirror, to the required temperature, including the hire charges of heating mirror and the generator set for the electricity for the heating mirror, etc. complete as per the direction of the engineer in- charge. 160 mm OD

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C. I. Sluice valve conforming to IS:14846-2000 and bearing ISI mark double flanged/plain ended with cap. TYPE P.N. 1.6 (Class B )

50 mm OD

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C.I. Reflux valve conforming to IS:5312 part-I. Valve double flanged ends without bypass arrangements and drilled to IS:1538 part IV & VI bearing ISI Certificate mark TYPE P.N. 1.6 (Class B). 50 mm OD

Plugging of manhole both from upstream and pumping of Sewage from upstream or downstream sides while carrying out rectification of the Sewerlines /removing chokeup with sand bags and removing the same plugging after completion of the said work and making way for the smooth flow of sewage as directed by Engineer-in-charge.

Pumping the Sewage from upstream Sewers to downstream to prevent overflow's when Sewer fails to function or when in case of major faults and when the line has to be rectified as directed by Engineer-in-charge, until rectification work is started.

Providing and applying one coat bitumen primer and then applying good make 3mm membrane on it by torcher and proper over lapping and joint filling

Neat Cement punning

Desilting and removal of silt, sludge deposits from sump (sewage collection chamber)

Providing Grease trap of 200 litres capacity size (30''x24''x18'') including Labour, tools, transportation, etc as per the directions Engineer in Charge.

Supply of Submersible mono-block Cutter pump for sewage application. Pump with duck foot bend / auto coupling, having discharge greater than 350 Liter per minute at head of 8 meters. Power not exceeding 3 KW, 415 Volts, 1400 /2880 (+/- 5%) rpm, 50 Hz, 3-Phase. Make of Pump:Xylem/Wilo/ Darling/WPIL/ Grundfos / Aqua /Kishor /ABS.Pump With 5 meter cable. Motor efficiency greater than 70%, Pump Effeciency greater than 20 %.Pump Duty Point shall be minimum 350 Liter per minute at head of 8 meters. Supplying at store or site of work including railway freight, carting, loading and unloading, stacking etc. Stainless Steel 304 Grade ERW Pipes Size NB 50mm x Wall Thickness 3.5 mm, For Discharge From Pump to Valve Chamber. Supplying at store or site of work including railway freight, carting, loading and unloading, stacking etc. Stainless Steel 304 Grade ERW Bends Size NB 50mm x Heavy Class, For Discharge Pipe. Supplying at store or site of work including railway freight, carting,loading and unloading, stacking etc. Stainless Steel 304 Grade Flanges Size NB 50mm , For Discharge Pipe. Making welded flanged joints for SS 304 Pipes and specials with SS 308 quality welding as directed by the engineer incharge. Providing and Fixing Bolts, nuts and double Plain Washers of different sizes suitable for Flanges, Bends, and Valves at Discharge line. Providing Chemical / Mechanical type anchor Fasteners in SS 304 material for fixing of Duck Foot Bends, and discharge Pipe holding Brackets. Providing Rubber gaskets at various joints of Flanges Valves etc. Providing Conversion Flange of SS 304 Material at connection of Rising Main and Discharge header of Pumping Station. Providing and fixing of rubber bellows to pump discharge line of 50 mm NB.

Labour charges for , Lowering, laying and jointing in position ollowing C.I. D/F Reflux valves, Butterfly valves, Bellows and sluice valves including cost of all labour, and giving satisfactory hydraulic testing, etc. complete. Size 50 mm NB Providing, erecting, giving test and trial L T Panel Board with starters. Supply, Installation, Trial at Site and Commissioning of Pump Control Panel suitable for above pumps. Panel shall have a main MCB, dry run protection, overload and single phasing protection, Panel shall be suitable for indoor application with IP 55 or higher protection. Panel shall also comprise of a level control system to start and stop the pumps at high and low levels respectively. Standard set of tools, one set of safety appliances, metering instruments and spare parts for pump motors, starters fuse switches MCBs etc. for 2 years maintenance. Giving satisfactory Test and Trial and operation of all equipments including skilled and unskilled man power on round the clock per day. Additional cable 50 meters for above pump. Top support / fixing bracket for Guide Rails. Guide Rails for pump mounting and removal Stainless Steel. Discharge Pipe supporting Brackets and holding supports set for guiding discharge pipe along wet pit height. including Transportation upto Site, Installation charges of Pump, Commissioning including giving trial of pump, etc as per the instructions of the Engineer in Charge.