National Environmental Engineering Research Institute Tender

Provide RCC raft of size 2.8m width and thickness 0.2m trhoughout the length of drain (500m) as per design and drawing. cement approved coarse sand and 2 cm (3/4") guage approved stone grit in proportion 1:1.5:3 in excluding supply of reiforcement and its binding but including its fixing and binding the same with 24 B.W.G.G.I binding wire and including necessary centering and suttering etc. and also including suply of material, labours, tools and plants etc. required for the proper completion of work. Binding wire cost being included in item.

Provide RCC walls of size 0.15m thickness and height 1.35m throughout the length of drain (500m) as per design and drawing. cement approved coarse sand and 2 cm (3/4") guage approved stone grit in proportion 1:1.5:3 in excluding supply of reiforcement and its binding but including its fixing and binding the same with 24 B.W.G.G.I binding wire and including necessary centering and suttering etc. and also including suply of material, labours, tools and plants etc. required for the proper completion of work. Binding wire cost being included in item.

Provide RCC column of size 0.3x 0.3 x1.5m at each 5m interval along the length of drain (500m lengthg) with cement approved coarse sand and 2 cm (3/4") guage approved stone grit in proportion 1:1.5:3 in excluding supply of reiforcement and its binding but including its fixing and binding the same with 24 B.W.G.G.I binding wire and including necessary centering and suttering etc. and also including suply of material, labours, tools and plants etc. required for the proper completion of work. Binding wire cost being included in item.

Providing rienforcement in RCC raft and fixing in position HYSD fe 500 steel bars reinforcement of 10mm diameter in main bars @ 150mm c/c and 8 mm diameter distribution bars at 200mm c/c. Upper steel reinforcement of size main steel 8 mm dia @ 150mm c/c along with distribution steel of 8mm dia @ 200mm C/c. as per detailed designs, drawings, including straightening, cutting, bending, hooking the bars, binding with wires or tack welding, supporting as required etc. all complete at all levels.

Providing rienforcement in RCC side walls and fixing in position HYSD fe 500 steel bars reinforcement of 10mm diameter in ourter main bars @ 150mm c/c and 8 mm diameter outer distribution bars at 150mm c/c and 10mm diameter in inner main bars 300mm c/c with 8mm dia inner distribution bars at 300mm c/c as per detailed designs, drawings, including straightening, cutting, bending, hooking the bars, binding with wires or tack welding, supporting as required etc. all complete at all levels

Reinforcement in RCC column: Providing column of size 0.3m x 0.3m x 1.5m and fixing in position HYSD fe 500 steel bars reinforcement of 12mm diameter in main vertical bars and 8 mm diameter stirrups at 200mm c/c as per detailed designs, drawings, including straightening, cutting, bending, hooking the bars, binding with wires or tack welding, supporting as required etc. all complete at all levels

Plastering: 12 mm thick plaster with cement mortar in proportion of 1:3 cement and fine sand of 1.25 F.M over the brickwork minimum thickness not be less than 10 mm including supply of material, labours, tools and plants etc. required for the proper completion of work (Including racking and washing surface)

Providing neat cement punning over internal plaster

Providing filler material (Starfix PU sealant) in expansion joint of size 2.5m x 20mm x 200mm @ each 40m stretch of RCC raft throughout the length of drain

Stone Pitching: Providing an laying of dry stone pitching on the both side of the nallah (to stabilise loose soil) sloping length of 7m in full length of 500 m. consist of dressed/undressed stone of thickness 300mm or more than 200 mm including application and compaction by the hand or machine rammer etc. complete.

Providing and fixing screen of stainless steel ( Grade 304) made of Hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary fixtures and fasteners installed at 45° inclination with horizontal with suitable arrangement as per approval of Engineer-incharge, (including arrangement for fixing the screen in side walls of drain). Two screens are to be provided: Coarse (12mm dia bars with clear opening 40mm ) and Fine (having 5mm thick and 25mm wide plates with clear opening 20 mm). including frame of size 2.5m x 1.5m made up of equal angle section 45 x 45 x 5 mm.

Floraft: Providing and fixing of flowrafts of size 1m x 1m made up of polyeurathane (EPE) having density of 24-30 kg/cu.m containing five plants on each flowraft including making of holes for plants.

Plants: Providing and fixing of plants namely Canna indica, Elephanta grass, syprus, Palm umbrela, curtails and Green bulrush etc. in a such way that each nallah containing all species equally.

Canna Indica

Elephanta Grass

Syprus

Palm Umbrella

Curtails

Green Bulrush

Providing and fixing of phytotraps of frame size 2.5*0.4m at bottom and 2.5m*0.2m at top with 1.5m height made up of rolled steel equal angle section of size 35mmx35mmx5mm along with wire mesh of thickness 2.54 mm, filter media of 65 to 45mm in size (AAc Blocks), plants of 8 to 6 nos per phytotrap, paint (Anti rush + Redoxide + Poly eurothane) and Backwash unit assembly including welding, grinding, buffering, polishing and making curvature (where required), and fitting with necessary nut bolts or welding etc complete.

Providing the diffused aeration system containing 2 nos of air blowers (one use and one standby) of capacity 1000 cu.m/hr each along with 84 nos of tubular type air diffuser spaced in 800 mm centre to centre.

Blower (model 5225-17.5 HP, Make- Everest/ Equiv.)

Diffuser (1 mtr retrievable, 3000mm WC, Sadan Cogen/ equiv.)

Dosing pump: Providing the electronic dosing pump of 0 to 8 lit/hr capacity.

Chlorine tank: Provide tank of size 0.8m x 0.8m x 0.8m made of single brick wall including 12mm plaster and neat punning complete.

Piping System: Providing and fixing of MSEP (mild steel epoxy paint) and UPVC pipes for the Diffused aeration system and dosing pump. Note: length of pipe may varry as per site condition. Spacing between diffusers should be 1m.

Mild steel pipe having diameter 100 mm with wall thickness 6mm fixing as a head line, length upto 60m

UPVC pipe having diameter 75 mm with wall thickness 6mm used for sub header line. Length upto 50m

Sludge Pump: Providing and fixing of monoblack self priming (40mm x 40mm) CI with galnt packing slude pump of capacity 3 HP having head up to 10 m.

Specification for off-grid solar panel :Design, Supply, Installation, Testing and commissioning of 315/325 W SPV Module, 45 kWp Solar panels, connected in Series and Parallel to form Solar Array. And 45 KVA Maximum Power Point Tracking (MPPT) PV compatible Off-Grid inverters to harvest the maximum amount of energy from the solar array internally and output which is 415 Volts 3 phase, 50 Hz which would be combined together in LT panel having energy measuring arrangement. Rapid DC voltage safety controller. AC & DC SPD Robust enclosure with IPS 65 rating suitable for outdoor installation as per MNRE specification & guidelines. The PV modules used must qualify to the latest edition of IEC PV module qualification test or equivalent BIS standards Crystalline Silicon Solar Cell Modules IEC 61215/IS14286. In addition, the modules must conform to IEC 61730 Part – 2. All switches, breakers, connections should conform to relevant IEC norms. Operating temperature should be 10 to 50ºC. Mounting of solar panel on MS steel structure of suitable angle frame and painting by enamel paint. Steel structure should be fixed in concrete foundation.    Inverter : Supply installation testing and commissioning 45 kW PV compatible Off-Grid Tie inverter output of whom is 415 Volts 3 phase which would be combined together in Solar LT panel, having energy measuring arrangement with AC & DC SPD.  Warrantee: Three years Battery: Supply and Installation of suitable battery to give 36 hours backup on full load, maintenance free battery 12 V, 150 Ah, Tubular type with full charge condition, all battery should be placed on MS stand angle of 40X40X5 mm and stand should be painting by enamel paint complete as required

Provide RCC cover of size 100mm thickness, 3m width and 1m length (for stretch length of 100m) with cement approved coarse sand and 2 cm (3/4") guage approved stone grit in proportion 1:1.5:3 in lintels of doors and windows excluding supply of reiforcement and its binding but including its fixing and binding the same with 24 B.W.G.G.I binding wore and including necessary centering and suttering etc. and also ncluding suply of material, labours, tools and plants etc. required for the proper completion of work. Binding wire cost being included in item.

Steel reinforcement in RCC cover: Providing and fixing in position HYSD fe 500 steel bars reinforcement of 8mm at 225mm c/c in both direction diameters as per detailed designs, drawings and bar bending schedules, including straightening, cutting, bending, hooking the bars, binding with wires or tack welding, supporting as required etc. all complete at all levels

Providing and fixing of sluice gate made up of mild steel plate of 6mm thickness and frame of channel section 75mm x 40mm x 6mm & rolled angle sections of size 45mm x 45 mm x 5mm to make frame including stearing wheel, threaded rod, welding, grinding, buffering, polishing and making curvature (where required) etc. complete. (as directed by Engineer-in-charge)