PROVN OF SEWAGE TREATMENT PLANT DRAINAGE AND ALLIED WORKS AT 9 P AND S UNIT AT AF STATION TAMBARAM

Amount

Demolition of brick work or stone/ boulder masonry, built in cement mortar including all quoins, pillars etc.

Demolition of un-reinforced cement concrete of any description and in any position not otherwise specifically provided for.

Demolition of reinforced Cement Concrete of any description and in any position not otherwise specifically provided for.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sqm on plan and n exc 1.5 m in depth and getting out in hard/ dense soil.

M&L Plain cement concrete, 1:4:8, type D2 (using 40mm graded stone aggregate) as in foundations, filling and mass concrete complete all as specified and as directed

Pre-cast cement concrete block masonry with solid blocks, exc. 10 cm in width and setting in mortar1:4, 1:3:6,Type C1 complete all as specified and as directed

M&L for PCC Coping 1:2:4 , Type B1complete all as specified and as directed

M&L Rendering 15mm thick on fair faces of concrete external surfaces in CM 1:4 complete all as specified and as directed

M&L for Flat Formwork to edges of concrete flats, not exceeding 200mm thick (Horizontal or sloping) complete all as specified and as directed

M&L precast RCC 1:2:4 type B I using 20mm graded aggregate set in cement mortar 1:4 in landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces . complete all as specified and as directed.

S&F TMT steel bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed.

S&F TMT steel bars 8mm dia, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed.

S&F Reinforced concrete pipes 300mm dia, class NP3, laid and jointed complete with collars complete all as specified and as directed

S&F Reinforced concrete pipes 600mm dia, class NP3, laid and jointed complete with collars complete all as specified and as directed

M&L Returning, filling in hard dense soil, including spreading, levelling, watering and well ramming in layers not exc 25 cm.complete all as specified and directed.

M&L Removing excavated material of hard dense soil n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed

Surface dressing not exc 15cm deep in any type soil all as specified and directed.

Material and Labour for PCC,1:2:4 (20mm graded aggregates)type B1 75mm thick as in road cutting including laying and compacting to match the surface to the existing road complete all as specified and directed.

Cutting into existing manholes for connecting new drains and making good to pipe and rendering, cutting out existing bending for and forming branch channel in cement concrete 1:2:4, type B-1 smooth finished and reforming benching as required for pipe 150mm bore.

All as per item No. 19 above but bore of pipe 200mm.

Excavating in trenches not exc 1.5m wide and exc 1.5m and not exc 3m in depth, not exc 10 Sqm on plan for foundation etc, and getting out in any type of soil complete all as specified and directed. (hard/ dense soil)

Excavating over areas not exc 1.5m deep and getting out in any type of soil complete all as specified and directed.

M&L PCC 1:3:6 type C-2 (using 40mm graded stone agg ) as in foundation of man holes complete all as specified & directed.

Material and labour for PCC type B2 1:2:4 using 20mm graded stone aggregate as in benching / channel inside manholes, surfaces finished even and smooth using extra cement, including necessary formwork, all as specified and as directed.

Material and Labour for Formwork to edges of concrete flats, breaks in floors, openings in concrete walls, floors and roofs and sides of RCC/PCC bands in walls, horizontal or sloping, and similar work all exceeding 20cm wide. complete all as specified and directed.

M&L for Reinforced cement concrete type B1,1:2:4 (20mm graded aggregates) for Slabs supported on walls beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and the like complete all as specified and directed

M&L for Pre-cast RCC 1:2:4 type B1 as in manhole covers slab cement mortar 1:6 of in landings, cover slabs (for man holes hoods, chajjas, water troughs, mangers, shelves and similar articles with plain face

Supply only Integral Water Proofing Compound (WPC).

Material and labour for 150mm bore reinforced concrete pipes, class NP3, laid and jointed complete with collars all as specified and as directed.

Material and labour for 200mm bore reinforced concrete pipes, class NP3, laid and jointed complete with collars all as specified and as directed.

Material and labour for concrete bed to drain pipes 150mm dia in cement concrete 1:3:6, type C-2, using 40mm graded stone aggregates including packing under and haunching against the sides of pipes after they are laid and tested all as specified and as directed.

All as per item No.31 here-in-before but for 200mm dia.

Demolition of old man holes of any size, type and depth above ground level portion, removal of demolished brick bats to out side MD land and filling with adjacently available excavated soil in side of old manholes, spreading and levelling in layers not exc 25cm thick including watering and consolidated as required complete all as specified and directed. Note:- Earth obtained from Item Nos 5 and 6 above shall be used for filling.

Cleaning, removing, deposited sludge, blockage from manholes of any size and depth, taking out the excavated sludge, clean the manholes neatly and carting away the same far away from buildings / living area and deposit at low lying area / ditches and cover with fresh earth on top all as directed by Engineer-in-Charge.

Cleaning of blocked sewage drain pipe line of any dia and removing all sludges and foreign materials manually or mechanically as required etc., omplete from the pipe line and making it serviceable free low of sewage all as directed by Engineer-in-Charge.

Supply and Fixing of 110mm dia PVC (SWR) pipes single socketed, in any length as in vent pipe complete all as specified and directed.

Supply and Fixing of 75mm dia PVC (SWR) pipes single socketed, in any length as in vent pipe complete all as specified and directed.

Material and labour for 20mm thick rendering in cement mortar 1:3 on internal surface of manholes brick wall including finished even and smooth with using WPC complete all as specified and as directed. Note:- WPC shall be measured and paid separately.

Construction of Sewage Treatment Plant (STP) 15 KLD capacity with permanent specification with RCC M-30 Grade, Design mix concrete, for tertiary treatment consisting Bar screen chamber, equalization tank, Fluidized media reactor / MBBR (Aeration tank , Lamella clarifier tank/Secondary settling tank) ,clarified water tank, Treated water tank, sludge drying bed, Foundation for all E/M equipments, drain, pathway etc., -01 Each. CIVIL WORKS Construction of Sludge drying beds with brick work, size of the each beds shall be 2m x 2m x 1.25m depth, it should filled with gravels two sizes and sand above - min 900mm height- 02Nos. Foundations for FMR– 4.3 m length x 2.2m width x 0.2m Ht (Above ground) – 1 no, CWT– 3.2 m length x 3 m width x 0.2m Ht (Above ground) – 1 no, TWT– 4.5 m length x 3 m width x 0.2m Ht (Above ground) – 1 no, pumps – 0.8m lenth x 0.3m width x 0.5m Ht – 3 no, Blower – 1.4 m lenth x 0.6m width x 0.5m Ht – 1 nos, Filters - 2.2m lenth x 1.8m width x 0.2m ht – 1 No =01 Lot

ELECTRO - MECHANICAL WORKS Bar Screen : Design, Fabrication, Supplying, Installing, Testing and Commissioning of SS-304 type bar screen with SS mesh with 1.6mm Thickness, Holes size shall be 10mm in screen to allow sewage water flow and prevent higher size debris from entering into the Collection tank at the very entry point itself of the tank. Screen kept inclined at 45 degree to the horizontal with hand track etc as required. Size of screen shall be 0.5m width x 1m length (1 Job for 15 KLD), Make : Ion Exchange/Jash/HET =01Nos. Raw sewage transfer pump : Supplying, Installing,Testing and Commissioning of Centrifugal, Monoblock, horizontal raw sewage pumps to pump sewage from equalisation tank to aeration tank suitable for handling minimum 8-10 mm solid particles having a liquid discharge rate of minimum 1 m3/hr at a head of 10 meters suitable for operation on 3 phase 415Volt AC supply etc as required., (1 working and 1 Stand by = 2 nos), Make : Johnson/Grundfos/KSB/Eq = 02Nos STP Skid (Aeration tank + Settling tank): Supplying, Installing,Testing and Commissioning of Fluidized Media Reactor (Aeration tank with Lamella clarifier settling tank). Size of the FMR tank/Aeration with Lamella settler tank shall be 3.38 m Length x 2.13m Width x 2.2m Ht (1.9m SWD+0.3m FB), In MOC of the tank shall be MSEP, Make : Ion Exchange/Thermax/Va Tech/L&T = 01 Nos

Settling tank: In settling tank Lamella clarifier plates quantity - 10nos, MOC of the tank shall be MSEP, Lamella plates size- 1750 ht x 1170 width, thickness of the plate - 5mm, MOC of lamella plates : FRP, Make : Ion Exchange/Thermax/Va Tech/L&T = 01 Lot. MBBR/FMR Reactor Media : Supply and fixing of FMR/MBBR Media virtually increases the surface area of the aeration tank required for biogrowth which aid in digesting the organic matter useful in the treatment of sewage effluent. The Media provides high surface area per unit volume rendering it more effective, which also comes with a very competitive price. The MBBR media provides large surface area per cubic meter of volume and is highly suitable for attached microbial growth, needed for microbial growth but also for the metabolite production. Bio Pac Media finds widespread application in sewage Treatment.Type : Fluidized Bed Bio MediaMaterial : Virgin PVC Capacity : 400M2/M3 VolumeMake : Ion Exchange/Cooldeck/mm aqua/ Equivalent, Inclusive of transport,handling charges etc as required. =01 Cum.

Air Blower : Supply, Fixing and commissioning of Twin lobe air blowers with the capacity of 50 m3/hr and power rating of 3 HP. The pressure rating 0.37 kg/cm2. The blowers are need to supplied along with Air Relief Valves Belts, Belt Gaurds,Wafer type Unitn Return Valves .The twin lobe air blowers belong to the category of positive displacement blowers. The blowers consist of a pair of involutes profiled shape blowers. The blowers consist of a pair of involutes profiled shape of 8. lobes / rotors rotating inside an oval shaped casing closed at ends by side plates. One lobe is the driving lobe. which is driven by the external power while the driven lobe is driven by a pair of equal ratio gears. Both the lobes thus rotate at the same speed, But in opposite direction. The blowers delivery will be connected with suitable mild steel epoxy coated header lines and lateral lines.The blowers are made up of cast iron and the make of Ion Exchange/Everest /IR/Kay. Inclusive of transport, handling charges etc sas required. = 02 Nos. Motor for Air Blower : Supply, Fixing and commissiong of squirrel cage induction motor for twin lobe air blowers with the capacity of 2 HP, 1500 rpm, 3phase, 415 volts power rating, F class insulated, TEFC enclosure, IP 55 protected, Bi - directional rotation, continuous duty, foot mounted Kirloskar / LHP/Equivalent make Inclusive of transport, handling charges etc., as required. = 02Nos

Coarse bubble diffuser/Final bubble diffuser : Supplying, Installing, Testing and Commissioning of coarse bubble diffuser using UPVC/PVC pipe with MSEP pipe to provide clog free oxygen for equalization tank etc as required. =01Lot. Final bubble diffuser : Supplying, Installing, Testing and Commissioning of fine bubble diffuser with Tubular Fine Membrane set of EPDM/Silicon with anti-fungal treatment of size 90 mm X 500 mm Long to provide clog free oxygen for aeration tank etc as required. Make : EDI/IEI/Eqv = 04Nos. Sodium Hypo Chloride Dosing system : Supplying, installation,Testing & commissioning of single phase dosing pump set having flow rates 0-4 LPH and LDPE dosing tank 100 litrs for storage of chlorine dosing solution as required. Make : Ion Exchange/Milton Roy/Xeed/Grundfos = 01 Lot. Sludge recirculation/Transfer pump: Supplying, Installing,Testing and Commissioning of Centrifugal, Monoblock, horizontal Sludge Transfer pumps having a liquid discharge rate of minimum 1 m3/hrs at a head of 10 meters suitable for operation on 3 phase 415 Volt AC supply etc as required., (1 working and 1 Stand by = 2 nos), Make : Kirloskar/ Johnson/ Grundfos/Eq = 02 Nos.

Clarified water storage tank : Supplying, Installing,Testing and Commissioning of Clarified water storage tank with the capacity of 5 m3. MOC of the tank shall be HDPE = 01No. Filter Feed Pump : Supplying, Installing,Testing and Commissioning of Centrifugal, Monoblock, horizontal filter feed pumps having a liquid discharge rate of minimum 1 m3/hr at a head of 30-35 meters suitable for operation on 3 phase 415 Volt AC supply etc as required., (1 working and 1 Stand by = 2 nos), Make : Kirloskar/Johson/Grundfos = 02Nos Multi Grade filter : Material of Construction: FRP Diameter: 16 inch Height On Straight: 65 inch Design Flow Rate: 1 m3/hr Minimum Operating Pressure: 1.0 Kg/cm2 Design Pressure: 2.5 Kg/cm2, Filtering Media: Quartz sand-mixture, Silex and Pebbles,Type of valve: Multi-port valve, size: 32mm,Media Depth: 915 mm,Pressure Gauge: 2 nos,Make : ION ExchangeThermax/Va Tech = 01Nos.

Activated Carbon filter Material of Construction: FRP,Diameter: 21 inch, Height On Straight: 62 inch,Design Flow Rate: 1 m3/hr,Minimum Operating Pressure: 1.0 Kg/cm2 Design Pressure: 2.5 Kg/cm2,Filtering Media: Activated Carbon, Silex and Pebbles,Type of valve: Multi-port valve, size: 32mm,Media Depth: 915 mm,Pressure Gauge: 2 nos, Make : ION ExchangeThermax/Va Tech = 01No. Treated Water Storage Tank : Supplying, Installing,Testing and Commissioning of Treated water storage tank with the capacity of 10 m3. MOC of the tank shall be HDPE = 01 No. Treated water distribution pump : Supplying, Installing,Testing and Commissioning of Centrifugal, Monoblock, horizontal Treated water distribution pumps having a liquid discharge rate of minimum 3 m3/hr at a head of 30-35 meters suitable for operation on 3 phase 415 Volt AC supply etc as required., (1 working and 1 Stand by = 2 nos), Make : Kirloskar/Johson/Grundfos = 02Nos

Piping Works: Supplying, laying and jointing the required size of pipes as per site condition of entire inter connecting piping inside the stp plant of UPVC pipes SCH40 plant room complete with bends, tees, flanges, offsets, nuts, bolts etc. as required. ( Make : Finolex / Supreme/ Birla or equivalent) of following approved quality and best variety of pipes with pressure with standing Schedule 40 and laid properly above ground level to alignment including fixing of required upvc specials and including cost of specials of All mm Dia such as union , Elbow, MTA, rubber gasket, reducer etc., cutting and threading, including fixing to walls with necessary teakwood plugs clamps and screws making holes in the wall or drilling hole in the roof and making good of the distributed portion in the original condition with necessary brick work and plastering wherever necessary with necessary scaffolding charges. (The UPVC pipes shall be got approved by the AGE/GE before use on works.) = 1.00 L.S. Control Valves : Supplying and fixing in position Approved quality and approved CI valves of Butterfly valves, UPVC valves with Make : ISI mark / GM Valves / ZOLOTO / Flucon/ Zolo/CRI /Equivalent of the following sizes including cost of shellac,thread etc., Including labour forComplete Complying with standard Specfications for both internal for Transfer pumps suction & delivery lines. Apart from MGF & ACF Filters. = 15Nos

MCC Panel : Fabrication, supply, installation, testing and commissioning of non - compartmentalized floor mounted front operated cubicle panel fabricated out of 2mm thick MS sheet steel, totally enclosed dust and vermin proof, suitable for 3 phase 415V 4 wire AC supply system with suitable busbar capacity and having the following incoming and outgoing switch gears complete with terminating arrangements, lugs, duly powder coated with approved shade, interconnection with suitable size alu strips / bars,connections, earthing, labelling etc. with cable chambers, 4 strip Aluminium busbar chambers. Panel-Outdoor type.The panel board shall be erected on suitable size channel iron pedestal) Make : Ion Exchange/HET/ABB/Eq =01 L.S. (a) Suitable size of Flexible/Armoured copper/aluminum cable for the required length within the STP plant. (b) Suitable cable tray required within the STP plant. (c ) Suitable internal earthing to all equipments

Instruments: Pressure gauge = 01. Lot Supplying, fixing and commissioning of the Online, Pulsed DC Magnetic flowmeter for measure the inlet flow of STP and Treated water Outlet flow. This flowmeter is capable of providing a stable and accurate flow reading, even in demanding application.The flow tube is a fully sealed system, The meter can display the flow rate and also the totalized flow.The LCD display with backlighting can display alphanumeric characters. All the menu is clearly labeled for easy understanding of the menu. The front cursor type keypad can be used to navigate through the menu system of the flowmeter. Calibrating the flowmeter is done digitally through front keypad.The flowrate unit is programmable. make :Aster/Khrone Marshall/E&H / Ion Exchange/Equivalent,Power Rating : Single Phase,Type : Online. Inclusive of transport, handling charges etc as reqd. = 1 No. Level switch - Eqt, Clarified water tank = 02 Nos.

PROCESS DISPLAY & INDIVIDUAL UNITS NAME BOARDS : Supplying and fixing of Process and Instrumentation Drawing of STP, Civil Units and Electro Mechanical units as required size of Display boards ,made of vinyl Material,Inclusive of transport, handling charges and all taxes and duties etc,. as directed by the Engg-in - Charge. = 01 No. Commissioning Chemicals : Supplying of commissioning chemicals for trial run of STP for one month as required quantity, inclusive of transport, handling charges and all taxes and duties etc,. as directed by the Engg-in- charge. = 01 No.

Excavation in trenches n-exe 1.5 m depth and 1.5 mtr width and getting out in Hard/dense soil complete all as specified and as directed.

Supply and fixing ,laying GI pipe 50mm dia medium grade,ISI marked including all fittings such as bends, tees, clamps, check nuts, union etc., in trenches / fixed /laid under floor etc all as specified and as directed.

All as per item No. 41 here-in-before but GI pipe 25mm bore

Supply and fix Gun metal gate valve size 50mm bore non rustable spindle with cast iron wheel ISI marked suitable for screwing in GI pipes fixed as directed

All as per item No.43. here-in-before but gun metal stop valve for 25 mm dia pipe

M&L for cutting of existing 50mm GI pipe line and for taking 50 mm dia branch connection, inserting and including Tee of size 50x50x50 mm, necessory joints,jointing materials excavation earth work complete as required at site all as directed.

Labour only for filling of excavated soil upto a depth of 23 cm after riddiling the excaveted soil for cushioning of cable in hard/ dense soil all as specified and directed

Supply and lay Burnt brick, sub class 'B' old size bricks dry of size 230 x 115 x 75 mm laid in trenches for LT cables protection all as directed.

Supply and laying cable XLPE insulated screened PVC bedded , Galvanised steel strip armored, electric power cable ( heavy duty ) 1100 volts Grade with stranded alumiium conductor of size 25 Sqmm 4.0 core laid in trenches/floors or fixed on poleetc. all as specified and as directed. Note; Necessary exc. and earth work and connected cable protection items shall be measured and paid separately under relevant item of this schedule.

M&L for GI pipe light grade galvanised with all fittings laid in trenches or fixed on poles of bore size 50mm dia for cable protection all as directed.

Supply and fix MCB DB SPN 4 way horizantal, double door 415 V AC 50Hz suitable for MCB FP as incomer complete all as directed.

Supply and fix MCB, TPN, 40 Amps 415 volts 10 KA 50 HZ complete all as directed..

M & L for cutting of existing road/ floor for laying of CI/GI pipe line including necessary earth work excavation and making good to match with existing surface with PCC 1:4:8 type C1 by (using 40mm graded stone aggregate) complete all as specified.

Material and labour for earthing complete with GI plate electrode 600x600x6mm thick, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of plate not less than 1.5m below ground level connected to GI earth strip of size 32 X 6 mm by means of bolts, nuts, washers of galvanized all as shown in electrical plate No.3 of SSR Part-I including necessary excavation and earth work. PCC 1:3:6 type C1 chamber, RCC cover in 50mm thick 1:2:4 type B1 with 8mm CTD 100mm centre to centre with suitable handle, watering pipe 20mm dia medium grade pipe with funnel and 40mm dia light grade as protection pipe, charcoal, salt etc connected to earthing test point all as specified including testing and commissioning on completion(For panel and Lightning arresters) all as specified and as directed.

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Chandel Construction Company