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| 1 | Design, supply installation, testing, commissioning of sewage treatment Plant based on principle of aerobic attached growth non clogging randomly Moving Bed bio Reacter (MBBR) having capacity 50 Cum per day including preparation of report/drawing, arrangement of raw sewage for testing and commissioning including excavation, back filling & disposal of surplus earth and any type of Civil construction works so as to achieve thefollowing parameters :- |
| 2 | A. Nature of effluent - Domestic Sewage from toilets/kitchen/ office use. |
| 3 | B. Total Capacity - 50 KLD |
| 4 | C. Sewage Incoming Characteristics |
| 5 | pH - 6.0 - 8.5 |
| 6 | BOD5 - upto 250 - 400 Mg/L |
| 7 | S. Solid - 200 to 500 Mg/L |
| 8 | COD 5 - Upto 600 Mg/L |
| 9 | Oil & Grease - 50 Mg/L |
| 10 | D. Effluent discharge standard after treatment |
| 11 | pH - 6.5 - 7.5 |
| 12 | BOD5 - Less than 10 Mg/L |
| 13 | S. Solids - Less than 10 Mg/L |
| 14 | COD - Less than 50 Mg/L |
| 15 | Oil & Grease - Less than 5 Mg/L |
| 16 | E.Sewage Treatment Plant shall include the following items : |
| 17 | Screen Chamber |
| 18 | Oil & Grease Chamber |
| 19 | Sewage equalization Tank |
| 20 | MBBR tank (Moving bed Bio Reactor) |
| 21 | Tube Settling Tank/Lamella |
| 22 | Sludge Holding tank |
| 23 | Chlorine Contact Tank |
| 24 | Filtration through MGF, ACF, Chlorinator & Softener |
| 25 | Air Blowers, Pumps & Equipment |
| 26 | Piping, valves etc |
| 27 | Electrical Panel & Cabling |
| 28 | Common plant room adjacent to STP |
| 29 | All piping, valves & level indicator/ controller etc within plant room |
| 30 | F. STP TANKS (MS Fabricated) |
| 31 | 1Anoxic Tank= 1mx1mx2.5m |
| 32 | MBBR-1 = 1.7mx1.7mx2.5m |
| 33 | MBBR-2 = 1.7mx1.7mx2.5m |
| 34 | Tube Settler= 1mx1mx2.5m |
| 35 | Inside - MS 5mm 2mm FRP |
| 36 | Outside - Painted |
| 37 | HDPE Tank of 100 liters |
| 38 | G. Sewage Treatment Plant |
| 39 | Filter Feed Tank (FFT) 01 No of size 1.5m x 1.5m x 2.5m |
| 40 | Sludge Holding Tank of size 1m x 1.5m x 2.5m |
| 41 | Bar screen, oil and grease chamber, Collection and treated water tank |
| 42 | Stainless Steel Perforated Screen with suitable lifting arrangement (size 250mm wide x 250mm high approx). |
| 43 | H. Non clogging type pumps, having CI casing, bronze impeller complete with all accessories, motor of required capacity. |
| 44 | Submersible Sewage Lifting Pumps in Collection |
| 45 | Cap : 3 cum/hr @ 10 M head each Qty |
| 46 | 2 Nos (One Working + One Standby) |
| 47 | Vendor shall provide the by-pass line back to equalisation tank |
| 48 | J. PVC MBBR media to be installed in M.S epoxy coated Aerated Bio-media Reactor-2 Nos |
| 49 | K. PVC Tube media media to be installed in M.S epoxy coated Aerated Bio-media Reactor-2 Nos |
| 50 | L. Centrifugal mono block self priming Sludge Transfer pumps 2 Nos (1 working + 1 standby). |
| 51 | (Sludge holding size for this pump shall be 8.5-10mm) |
| 52 | Sludge Recirculation Pumps |
| 53 | Cap : 1.0 cum/hr @ 10 M head each |
| 54 | 2 Nos (One Working + One Standby) |
| 55 | M. Complete Air blowers including following :- |
| 56 | Twin type rotary air blowers driven through \"Y\" belt or directly coupled through flexible coupling to a TEFC motor of suitable HP Suitable for 415 + 10% volts, 3 phase, 50 cycles a/c supply. |
| 57 | Cap : 50-60 cum/hr or as required @ 4000 mm WC |
| 58 | Qty : 2 Nos (One Working + One Standby) |
| 59 | N. Air piping shall comprise of droppers and laterals (submerged in UPVC) connected with M S (epoxy coated) Header complete with all fittings. |
| 60 | O. Non clog type air dispersion system capable of handling 3-4 cfm of air with oxygen transfer with efficiency of 3-4% per/ meter water depth. Air dispersion grid in SS |
| 61 | a) For equalization tanks - Disc type Coarse bubble diffusers. |
| 62 | b) For sludge holding tank - Disc type Coarse bubble diffusers. |
| 63 | c) Aerated Bio-media Reactor - fine bubble membrane diffusers. |
| 64 | d) Bronze Ball Valve and air dispersion grid as required for STP as described above. |
| 65 | P. Plant room piping (as described below) and isolation control valves for making the system complete. |
| 66 | MS (Class C) Epoxy coated : Air piping from blower and header to tanks. |
| 67 | UPVC Heavy Class piping : Pumped effluent & tank overflow pipe line. |
| 68 | Q. Inline flange mounted electromagnetic flow meter with IP 65 Protection, full base rubber liners, SS 316, electrodes, SS 304/ MS coil housing + 0.5% linearity, 24 VDC/ 90-500 V, AC 50 HZ, 0 to 55 degree celsius as per model selectiom, suitable for sewage water including all fittings and accessories complete with bye pass arrangement suitable for the required flow rate-02 Nos |
| 69 | R. Providing, fixing, testing and commissioning on line electro-mechanical chemical solution dosing system comprising of electronic metering pump 6LPH. |
| 70 | Dosing Capacity : 0 - 6 ltrs per hour, Dosing Head : 6.0 Kgs/cm2 |
| 71 | Make : Dosing Pump : E-dose |
| 72 | Tank capacity : 100 Ltrs |
| 73 | S. Providing and fixing single, monobloc horizontal, in-line pumps |
| 74 | Filter Feed Pumps |
| 75 | Cap : 3 cum/hr @ 25-30 M head Each |
| 76 | Qty : 2 Nos (One working + one standby) |
| 77 | T. Supplying, installing, testing and commissioning of FRP vessel with frontal piping and associated valves and accessories. Filter shall be suitable for minimum working pressure of 3.5 Kg/cm2 and shall include media, standard fittings. |
| 78 | Multigrade pressure sand filter media |
| 79 | Flow rate : 5 cum/hr |
| 80 | Filteration velocity : 15 cum/hr/sqm |
| 81 | Shell/Disc thickness : 5/6 mm |
| 82 | Filter Diameter : 400mm. HOS : 1800 mm or as required. |
| 83 | Activated Carbon Filter |
| 84 | Flow rate : 5 cum/hr |
| 85 | Filteration velocity : 15 cum/hr/sqm |
| 86 | Shell/Disc thickness : 5/6 mm |
| 87 | Filter Diameter : 400mm. HOS : 1800 mm or as required. |
| 88 | U. Supply, installation, testing & commissioning of U.V. disinfection system for treated waste water suitable for a flow rate of 3 cum/hr approx, suitable nos. |
| 89 | V. ELECTRICAL INSTALLATION FOR STP. |
| 90 | Design, fabrication, assembling, wiring, supply, installation, testing and commissioing of motor control centre |
| 91 | W. MCC for all STP equipments/pumps |
| 92 | All as per Srl item No 1 abovebut STP of capacity 40 Cum Per day(40KLD) except filter feed tank (FFT) 01 No of size 1.5m x 1m x 2.5m |
| 93 | Notes:- For Srl item No 1 & 2:-(a) The design of STP shall be got vetted by the contractor from NIT/IIT/Govt Engineering college before submission for final approval by the GE. (b) The treated water should be got tested by the contractor from NIT/IIT/Regional Enginnering Lab/IRTC/NEERI or lab approved by the GE.(c) Mannning and operation shall be carried out by the contractor for a period of two years (i.e within the defect liablity period).The cost of these aspects is deemed to be included in the rates quoted by the tenderer. |
| 94 | Rough excavation n exc 1.50m deep and getting out in hard/dense soil, complete all as specified & directed. |
| 95 | Excavating in trenches, n exc 1.5 m wide and n.exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, for laying cables/pipes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth in and getting out in any type of soil, complete all as specified and as directed. |
| 96 | Plain cement concrete 1:3:6 type C-2 (using 40mm graded stone aggregate)as in foundations filling and mass concrete complete, all as specified and directed. |
| 97 | Brickwork with sub-class ‘B’ bricks (old size), straight or curved on plan exc. 6m in mean radius, built in cement mortar 1:4, complete all as specified. |
| 98 | TMT mild steel bars, 6-8mm dia and over, as in reinforcement, cut to length, bent to shape required including cranking, bending spirally or hooping for columns, hooking ends and including binding with MS wire (annealed not less than 0.9mm dia), complete all as specified and as directed. |
| 99 | Precastcement concrete 1:2:4 type B-1, using 20mm graded crushed stone aggregate as in manhole cover slab and similar articles etc., complete all as specified and directed. |
| 100 | Plain cement concrete 1:2:4 type B-1 (using 20mm graded crushed stone aggregates) asin surface channel and drains, complete all as specified and as directed. |
| 101 | Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc. complete all as specified and as directed. |
| 102 | Reinforced concrete pipes 150mm bore ,class NP2, laid and jointed complete with coller all as specified and as directed. |
| 103 | Plain cement concrete 1:4:8 type D-2 (using 40mm graded aggregate) as in conc bed to drain pipes including packing under and haunching against the sides of pipes after they are laid and tested for 150mm bore pipes all as specified. |
| 104 | 15mm thick rendering on fair faces of brick or concrete surfaces in cement mortar 1:4, finish surfaces even and smooth without using extra cement, complete all as specified and as directed. |
| 105 | Returning, filling in (soil) including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick in any type of soil, complete all as specified and as directed. |
| 106 | Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point, complete all as specified and as directed. |
| 107 | Cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-l smooth finished, and reforming benching as required for 150mm bore pipes, complete all as specified and as directed. |
| 108 | Demolition/Cutting into existing road/path or PCC hardstanding of suitable width and depth for laying of pipes and getting out the demolished material, complete all as specified and as directed. |
| 109 | Plain cement concrete (1:2:4) type B-2 using 40mm graded stone aggregate as in foudation, filling and mass concrete complete all as specified and as directed. |
| 110 | Plain cement concrete (1:5:10) type E-2 using 40mm graded stone aggregate as in foudation, filling and mass concrete of postcomplete all as specified and as directed. |
| 111 | Reinforced cement concrete 1:2:4, type B1 (Nominal mix), using 20 mm graded crushed stone aggregate as in foundations, including rafts, footings, foundation beam; plinth beams; bases of columns, etc.;basement slabs, under-reamed piles and mass concrete, complete all as specified and as directed. |
| 112 | Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter including rough finished flat surfaces of concrete, complete all as specified and as directed. |
| 113 | RCC M-25 (design mix), using 20 mm graded crushed stone aggregate as in columns, pillars, piers, posts and struts, complete all as specified and as directed.Note :Design/Sectional detail of RCCstructure shall be decided by Engr-in-Charge as per ground requirement. |
| 114 | Use and waste of form work to sides of pillars, posts, struts, piers, columns and stanchions etc, square, ractangular or polygonal, to obtain rough finished surface of flat concrete complete all as specified and as directed. |
| 115 | Reinforced cement concrete 1:2:4, type B1 (using 20 mm graded crushed stone aggregate) as in Slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and the like all as specified and as directed. |
| 116 | Use and waste of form work to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200mm thick (Horizontal or sloping) etc to obtain rough flat finished surface of concrete complete all as specified and as directed. |
| 117 | TMT mild steel bars, 10mm dia and over, as in reinforcement, cut to length, bent to shape required including cranking, bending spirally or hooping for columns, hooking ends and binding with and including MS wire (annealed not less than 0.9mm dia) , complete all as specified and as directed. |
| 118 | TMT mild steel bars, 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders and binding with and includingMS wire (annealed not less than 0.9mm dia) , complete all as specified and as directed. |
| 119 | Demolition and breaking up drain pipes, 150mminternal dia (Salt glazed ware, AC or Reinforced concrete)set in cement mortar, complete all as specified and as directed. |
| 120 | Demolition of brickwork or stone/boulder masonry built in cement mortar including all quoins, arches, pillars etc., but excluding ashlar facing, dressed stone work and precast concrete articles, complete all as specified. |
| 121 | Demolition of Cement Concrete (unreinforced) of any description and in any position not otherwise specifically provided for including and disposal of unserviceable material, debris and rubbish to a distance n exc 100m complete all as specified and as directed. |
| 122 | Demolition of Cement Concrete (reinforced) of any description and in any position not otherwise specifically provided, complete all as specified and as directed. |
| 123 | Rotational moulded polyethylene water storage tank, (white colour) three layers, ISI marked (cylinderical vertical with closed top) hoisted with Threaded Cap and fixed in position all as specified in SSR Part-I of Capacity 5000 litres each including all accessories (i.e GI nipples and Ball valves high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe of bore 20mm/25mm (Minimum weight210 gram) etc), complete all as specified and as directed. |
| 124 | 50mm bore galvanised steel water tubing medium grade (ISI Marked) with and including all fittings and fixed complete to walls andor laid under floors etccomplete all as specified and as directed. |
| 125 | Supply only Digital water PH value tester, complete all as specified and directed. |
| 126 | Digital water Flow meter for 50mm bore GI pipe, complete all as specified and directed. |
| 127 | Surface excavation not exc. 30 cm deep and averaging 15 cm deep and getting out in any type ofsoil complete all as specified. |
| 128 | 100 mm thick, Plain cement concrete 1:4:8 type D-2 (using 40 mm graded crushed stone aggregates) as in sub base, complete all as specified and as directed. |
| 129 | Sand cushioning under floors including watering and consolidation complete all as specified and as direceted. |
| 130 | Machine pressed / vibro mechenically floated coloured interlocking cement paver block ISI marked, any shape and size conforming to IS 15658-2006 of 80mm thickness, M-40 Grade, with topping of cement with imported pigment. Shape shall be approved by GE. complete all as specified and as directed. |
| 131 | Plain cement concrete 1:2:4, type B-1 (using 20 mm graded crushed stone aggregates) as in steps, seismic and other similar bands, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, cills, lintels upto 1.50 metre clear span, copings etc. and in similar works including weathering, slightly rounded or chamfered angles and throating and necessary form works, complete, all as specified and directed. |
