Chidambaram Municipality-agecode007 has published Tender For Chidambaram Municipalityproviding Disposal Arrangements To Treated Effulent In The River Vellar From Stp In Chidambaram Municipality. Submission Date for this Tender is 04-07-2023. Sewage Treatment Plant Tenders in chidambaram Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 23-Jun-2023 | TENDER DATE EXTENDED UP TO 04.07.2023 | Date | 04-07-2023 |
| Sl. No. | Item Description |
| 1 | Earth work excavationand depositing on bank with an initial lead of 10m and initial lift of 2m inHard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil -SS20B P.274 |
| 2 | First depth of 2 m |
| 3 | depth of 2 m to 4m |
| 4 | depth of 4 m to 7m and |
| 5 | Pumping Main & PUMP ROOM |
| 6 | Supply and filling the foundatioin and basement with Stone dust in layers of not more then 15cm thick well ramedleying with standard specification including consolidation and watering etc. complete and as directed by as directed by department Officers |
| 7 | Plain Cement Concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification |
| 8 | Brick work in CM 1:5 (One cement and six sand)using country bricks of size 8.75 "x4.25"2.00" including cost of all materials, labour charges, curing etc., complete as directed by directed by the department officers. |
| 9 | Reinforced Cement concrete 1:1.5 :3 (one cement, one and half sand & three course aggregate) using 20mm gauge hand broken/ and broken granite stone for all RCCitemsof works excluding centering shuttering and cost of reinforcement but including curing etc.,complete and alsoincluding fixingfan clamps and fixtures in rccworkswherever necessary as directed by departmentalofficer etc., complete. |
| 10 | Below GL |
| 11 | GROUND FLOOR |
| 12 | Plastering with CM 1:4 (One cement and four sand) 12mm thick including cost of materials, labour charges for finishing, curing etc., complete and as directed by the department officers |
| 13 | White washing two coats usinbg fine screened shell lime for the new plastered surface for inner and outer side of the room including the cost of materials labour charges etc., complete and as directed by the department officers. |
| 14 | Painting two coats with ready mixed Plastic Emulsion Paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification. - 10 |
| 15 | Painting two coats with Ready Mixed Enamel Paint over the new iron works of approved quality and colour without priming coatincluding the cost all materials etc.,complete, in all floors. |
| 16 | Supply and fixing of M.S Grills with Doors and Windows with one coat of Red oxide with Primer including all costs such as welding,grinding and fabrication charges, cost and conveyance of all materials to site etc,complete as per standard specification. |
| 17 | Reinforced Cement concrete M-30 using 20mm gauge hand broken/ and broken granite stone for all RCCitemsof works excluding centering shuttering and cost of reinforcement but including curing etc.,complete and alsoincluding fixingfan clamps and fixtures in rccworkswherever necessary as directed by departmentalofficer etc., complete. |
| 18 | Above GL |
| 19 | Below GL UPTO 1.50M |
| 20 | Below GL UPTO 1.50M TO 4.50M |
| 21 | Below GL UPTO 4.50M TO 9.00M |
| 22 | Suppling and fabricating and placing in position MS(or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost ofsteel and binding wire also in all floors. |
| 23 | Supply and erection of steel centering, shuttering for soffits and sides including for all RCC works using MS sheets of suitable size of BG 10 stiffened with MS angle of size 25x25x25x3mm for boarding laid over Silver Oak joists of SIZE 10cmx 6.5cm spaced at 90cm c/c and supported by Casuarina Props 10cm - 13cm spaced at 75cm c/c etc., complete and as directed by TWAD Board Officers (REtrived Materials should be taken back by the contractor . |
| 24 | From 0m to 3.3m |
| 25 | From 3.3m to 4.3m |
| 26 | From4.3m to 5.3m |
| 27 | From 5.3m to 6.3m |
| 28 | From 5.3m to 6.3m |
| 29 | For individual footing side |
| 30 | For column upto GL |
| 31 | For column upto GL to Roof slab bottomPlinth beam, Basement beam, Roof beam and roof slab. |
| 32 | Refilling the trenches with excavated earth (other than sand) in layers and watering, ramming and consolidation as per standard specification etc complete and as directed byofficers. |
| 33 | Shoring & stutting the sides of trench when depth of excavation exceeds 2m in loose soil including cost of materials and labour charges for installation & removal of Silver Oak Planks of 40mm thick & country wood scantlings of 4m length etc complete & as directed by the Engineer-in-Charge. |
| 34 | From 0m to 2m |
| 35 | From 2m to 2.5m |
| 36 | From2.5m to 4.25m |
| 37 | From 4.5m to 6.m |
| 38 | Above 6m |
| 39 | Disposal of surplus earth including loading, conveyance within a distance of 5km and spreading as directed by thedirected by the Engineer-in-Charge. |
| 40 | Supplying and fixing of encapsulated P.V.C steps inside the well. |
| 41 | Supplying and fixing of R.S.J Support as per I.S.M.B 450 & I.S.M.B.200 with necessary accessories including chequered plates and material and labours charges . |
| 42 | Supply and delivery of400 mm CI LA Class s/s pipes as per IS: 1536 - 2001, at the site of work etc., complete and as directed bydirected by the Engineer-in-Charge.P.37 |
| 43 | 400 mm dia CI LA Class pipe (6m lenthand 5.5m lenth) |
| 44 | Lowering in trenches, laying, aligning in proper grade etc., complete and as directed by directed by the Engineer-in-Charge. P.239 |
| 45 | 400mm dia CI LA Classpipe (6m length) |
| 46 | Jointing CI S&S pipe with rubber gaskets as per IS including cost of rubber gaskets and hydraulically testing to required pressure etc., complete and as directed by the Engineer-in-Charge.P.243 |
| 47 | 400mm dia CI LA Classpipe (6m length) |
| 48 | Supply and delivery of CI S/S standard and non standard specials as per IS at site etc., complete as directed by directed by the Engineer-in-Charge. P.39 |
| 49 | 400 mm x 45 CI D/S bend |
| 50 | 200mm x 100mm CI D/F Taper |
| 51 | Jointing the CI S/S pipes and specials with cement joint using Sulphate Resistant cement and yarn including caulking the joints ,curing and testing to the required pressure with water (including cost of jointing materials) etc.,complete as directed by directed by the Engineer-in-Charge.P.245 |
| 52 | 400 mm x 45 CI D/S bend |
| 53 | 400 mm x 90 CI D/S bend |
| 54 | 400 mm x 400 mm x 200 mmCI D/S Branch flanged TEE. |
| 55 | Jointing the CI Double flanged pipes and specials with rubber insertion sheet to with IS:638(1979) and M.S.Bolts & Nuts of IS: 1364-1(2002), including cost of jointing materials such as bolts & nuts rubber insertion sheet and labour charges etc.,complete as directed byofficers. P.243 |
| 56 | 200 mm CI Flanged Joints |
| 57 | 100 mm CI Flanged Joints |
| 58 | Testing of pipes for water supply with hydraulictesting equipment by filling with water (including cost of water @ Rs. 60/KL) and testing to recommended pressure in convenient stretchesand attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the following diametres of pipes.(P 251) |
| 59 | 400mm dia CI LA Classpipe (6m length) |
| 60 | Supply and Delivery of Tamper proof CI single chamber air release valves with pressure range from PN 10/16 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade conforming to IS 1865 with Food Grade Epoxy Powder coating(EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamilnadu (P 70) |
| 61 | 100 mm Double Air Valve on 400mm dia Pumpingmain |
| 62 | Constructionof air valvepit as per type design. |
| 63 | 100 mm Double Air Valve on 400mm dia Pumpingmain |
| 64 | Provision for THRUST BLOCKS along the mains (Videseparate statement) |
| 65 | Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump , wear resistance with submersible motor for the various duty conditions as stated in the annexure.Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05.Pump shall be of robust construction . Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impellershould be ofNon-clog semi open type , single vane / multi vane preferably contra bloc or vortex impeller design.Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft.The critical speed of the rotor shall be at least 30% above the operating speed. Pumps to have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life.Pump should be provided withautomatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance |
| 66 | Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304.Pump speed shall be of 960 for high duty pumps and 960/1450 rpm for low duty pumpsets .Casing and impeller should be ofCI Gr. FG 260 :IS210 more preferablywith hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall beoperated with 3 ph , 415 V( + or – 10% ) , 50 Hz ( + or -5 % )dry induction type. Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously . The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances . |
| 67 | The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120 % of rated speed for two minutes without any mechanical damage , in either direction of rotation. The motor vibration shall be within the limit specified in applicable standards .Motor should be ofIE2, explosion proof compatible for VFD operation together with star-Delta / ATSstarter, protection against increase in stator winding temperature (15 deg Celsius) , bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. |
| 68 | Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691.Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed , copper , flexible ,round typewith required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated , PVC sheathed , flexible for stator winding temperature sensor 3 core x 1.5 sq.mm copper conductor and for bimetallic switches 2 core x 1.5 sqmm copper conductor shall be provided.Motorshall besupplied with 10 mts of round submersible copper cable of suitable size. |
| 69 | The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above. (upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS)(P.127) |
| 70 | Submersible centrifugal sewage Non clog Pumps -( 393.36cum/hr) 109 lpsx18m Head |
| 71 | Supply and delivery of 250 mm, flanged, sluice valves with Cap / wheel shall be as per IS 14846/2000and suitable for 10 bar rating.The body & door shall be of cast iron, spindle - SS AISI 410, Seat rings - SS AISI 304, Back seat bush - bronze.(P.65) |
| 72 | Supply and delivery of 250 mm non-return valve, flanged and as per IS:5312/2004/part1/84and suitable for 10 bar rating with bye - pass arrangements with ISI marking .Valve shall be quick closing type with non-slam characteristics and without any external damping arrangements or counter weights.The body and door shall be of cast iron, hinge pin - SS AISI 410, Body / Door rings - SS - AISI 304, Bushes - Bronze. P.66 |
| 73 | 3 T capacity hand operated over head travelling crane suitable for a span upto 6 m , and travel length upto 10 m with clear lift upto 6 m including gear type chain pulley block and geared travelling trolley with all accessories including suitable vertical and Horizontal girder ISMB. (P.125) |
| 74 | Cast iron pipes and fittings as per drawing shown.Cast iron pipes shallconform to class B IS: 1537 / IS: 1536 / IS: 7181 and pipe fittings shall conform to IS: 1538.All pipes and fittings shall be flanged and inter connected to the pumping main. P.39 |
| 75 | 150mm dia Pressure Gauge and Vaccum guage including all accessories as per specification (For Suction and Delivery to be mounted on wall on Teak Wood Board) TWAD SOR P-123 |
| 76 | Chargesfor dewatering arrangements .PWD P-165 |
| 77 | Charges for clearing the suction well and laying the pipe line areas by deploying earth moving machineries including fuel and labour charges PWD P-165 |
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