Drainage Works Tenders

Preventive Maintenance Inspection & Checking Schedule Daily Checking 26. Monitoring of daily power generation, inverter performance and system availability. 27. Checking of inverter alarms, faults, trips and abnormal indications. 28. Recording of daily generation, downtime and meter readings in logbook. 29. Visual inspection of control panels, inverter rooms and equipment for abnormal noise, overheating or smell. Monthly Checking 30. Visual inspection of PV modules for cracks, damages, discoloration and hotspots. 31. Inspection and tightening of module interconnections, DC/AC terminations and cable joints. 32. Inspection of Junction Boxes, Combiner Boxes and Distribution Boards. 33. Inspection of cable trenches, conduits and cable insulation for damages and rodent attacks. 34. Checking and cleaning of inverter filters, ventilation systems and panel enclosures. 35. Inspection of module mounting structures, nut bolts, fasteners and clamps for looseness/corrosion. 36. Checking of earthing system, earthing strips and measurement of earthing resistance values. 37. Inspection of surge protection devices, breakers, relays, fuses and isolators. 38. Thermographic inspection of electrical connections and terminations. 39. Inspection of MC4 connectors, string cables and inverter terminations. 40. Checking functionality of protection systems including automatic disconnection during grid failure. 41. Cleaning and maintenance of drainage paths around structures and equipment foundations.

S&F 200mm (DWCPE Pipe) class SN-8 structural Wall polyetylene ( Pipe with online coupler and elastomeric rubber ring ) with hollow annular smooth outer surface and a smooth inner surface ( double wall plain ) for non pressure unerground drainage and sewage application Type B Nomial size ( Dn /ID ) made of polyethylene ( PE ) materia;l confirming to ISI 6098 ( Part II : 2013 and to be transported handled installed and joied asper Annex A Of ISI 6098 ( part II :2013 including demolition of old drain pipes (SGSW, AC, RCC or PVC)complete all as specified

S&F 200mm (DWCPE Pipe) class SN-8 structural Wall polyetylene ( Pipe with online coupler and elastomeric rubber ring ) with hollow annular smooth outer surface and a smooth inner surface ( double wall plain ) for non pressure unerground drainage and sewage application Type B Nomial size ( Dn /ID ) made of polyethylene ( PE ) materia;l confirming to ISI 6098 ( Part II : 2013 and to be transported handled installed and joied asper Annex A Of ISI 6098 ( part II :2013 including demolition of old drain pipes (SGSW, AC, RCC or PVC)complete all as specified

NAME OF ROAD :-Construction of BT road from Gara to Ratanpura rewantsingh ki dhani chauraha Construction of reference bench mark (1 No.), working bench mark (4 Nos.) and near all drainage structures and bridges (as per direction of Engineer-in- charge), reference pillar/ burgees @ 50m interval on both side of formation width including marking of centre line, setting out curves, recording of levels, white washing and lettering etc. complete each pillar to be painted with with a unique identification no and directional information as per MoRTH specifications cl. 109.

Providing and laying at or near ground level factory made Kerb Stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5mm), including making drainage opening wherever required complete etc. as per direction of Engineer-in-charge (length of finished kerb edging shall be measured for payment). (Precast C.C. kerb stone shall be approved by Engineer-in-charge). NOTE: 1) Nothing extra shall be paid for fixing the kerb stone after cutting into size for filling the gaps between kerb stone/ wall/ obstruction/ discontinuity/ other blocks at the edges/ around the unpaved tree edges etc. 2) The contractor shall be responsible for implementing measures to mitigate rat infestation issues that may potentially damage the footpaths and tiles. This includes the application of pesticides, rat-killing medicines, chemicals & the incorporation of ground glasses with sand and soil beneath the tiles as deemed necessary to deter rodent activity. 3) Only paved portion of the footpath will be measured for payment process (i.e. excluding of unpaved portion around trees, green patches, soil patches meant for green areas).

drainage & water supply connection and minor correction to perform experienced in Lab shall be done by contractor