PROVISION OF 02 NOS PACKAGE TYPE SEWAGE TREATMENT PLANT (STP) OF CAPACITY

Amount

PHASE-I (SITC OF STP UNDER ITEM No 1.00 & ALLIED SERVICES UNDER ITEM NO 2.00 to 2.16)

Design, Supply, Installation, Testing and Commissioning of Packaged type Fully Advanced Automatic Sewage Treatment Plant of Capacity 20 KLD using SBR (Sequencing Batch Reactor) treatment process with Tertiary Treatment complete all as specified and directed. The main features of STP shall be as follows and cost of these shall be deemed to be included in qouted rate:-

(a) IoT Controller - Control unit with web access, microprocessor control with pre-set work cycles, real-time controlled, graphic display, operating hours counter, optional manual and automatic mode, acknowledgeable visual and acoustic fault message, mains failure alarm, logbook function operating level -01 unit (b) Panel Board enclosure - Panel board (Class IP 55) for the enclosure of controller and necessary electrical equipments (phase failure relay, MPCB contactors) -01 unit (c) Side channel blower/ compressor :- Side channel blower/compressor(1.5KW-2.2KW. 3Ph, 40Cum/hr @ 450mbar) -01 unit (d) Diffusers in aeration tank - EPDM Fine bubble Tubular diffusers – 8Nos with SOTE <8.5%/m at flow rate 5Cum/hr or equivalant (e)Diffuser stands - Diffusion system in SS 304 (8/6 outputs ) stands - As per requirement and as per the tanks dimensioning (f) Airhose - Hose, PVC braided from Polyhose at 10 kg/ sq.cm at temperature rating of 85º C. (g) Pumping units for transfer of sewage in collection, aeration and treated water tank in 01 working + 01 standby arrangement for each location as per requirement. (Charging unit by airllift - 01 Unit, Discharging unit by airlift - 01 Unit, Sludge return unit by airlift - 01 Unit) (h) Pumping arrangement and functional mechanisms, technology as required in the site for a complete operational plant. (j) SS 304 pipe clamps – clamps and fittings for wall mounting in SS-304 as per requirement at site. (k) Components for assembling and fixing solenoid valve set. (i) SS 304 output stand for valve arrangement (1”) (02 outputs/ 04 outputs) as per requirement (ii) Solenoid valve for airlift arrangement (Asco) (1”) -04 units (iii) Manifold stand for valve (SS-304, 2mm thick) – 01 unit (l) Operation Manual & Maintenance Manual – 01 Nos (m) Filtration system - Automatic filtration system (AMPV) starter panel (Automatic Multiport Valve), PSF+ACF+ Filter feed pump (1W + 1S) with a flow rate of 1.5cu.m/hr with chlorine disinfection – 01 lot

(n) Construction of RCC Tanks for various components of 20 KLD with permanent specification (Scope of STP covers all civil, electrical & mechanical components after end of sewage line till end of tertiary treatment and including treated storage water tank) with minimum RCC M-30 design mix including excavation in any type of strata, foundation concrete, footings, raft/suitable foundation, plinth beam, column, lintel, roof beam, roof slab, internal and external plastering, finishing, roof treatment, plinth protection, including refilling of earth and disposal of surplus earth within 500m lead etc. all as specified and as directed. (o) Construction of RCC Machine room for 20 KLD STP with permanent specification of 10sqm plinth area with minimum RCC M-30 design mix including excavation in any type of strata, foundation concrete, footings, raft/suitable foundation, plinth beam, column, lintel, roof beam, roof slab, solid block walling, internal and external plastering, finishing, roof treatment, Anti termite treatment, Aluminium doors and windows, plinth protection, including refilling of earth all as specified and as directed. (p) The Effluent (Treatment) Sewage Parameter are as follows :- (i) pH - 6.5-8.3 (ii) COD <50mg/L (iii) BOD < 10mg/L (iv) TSS < 10mg/L (v) Total Nitrogen - 5mg/L (vi) Total phosphorus - 1mg/L (vii) Fecal coliform - Nil (viii) Odour -No foul odour (q) Reinforcement steel to be used in the work shall be HCRS/CRS TMT of grade as specified.

Notes :- (a) Design of STP and sewer network shall be got vetted by IIT/NIT and thereafter it shall be approved by Accepting Officer before execution on ground. The soil test report of adjacent/ nearby site is available with GE (I) CG Kochi and if required shall be obtained from GE(I) CG Kochi which shall be used for designing the foundation of all structures. Contractor if desires or if required by vetting agency has to do the soil testing and the rate quoted shall be deemed to be inclusive of same and nothing extra shall be paid on this account. The water table in the area is high and contractor shall accordingly plan & design the plant and sewer network. (b) The description of item of STP in BOQ is in brief and all components required as per design to treat the influent to specified degree are included in the scope of item of STP even if the description of item above does not specify the same. (c) The scope of item of STP given in BOQ starts from end point of sewage line network. Hence necessary RCC sewage collection well/sump alongwith necessary sewage pumps of adequate capacity in 01 working + 01 standby configuration for each location are part of STP item and accordingly rate shall be quoted for the STP. (d) Wherever pumping is required in STP after end of sewer network till storage tank of treated effluent the same shall be provided by suitable pumps and for each stage two pumps (One working + one standby) shall be provided as per design requirement. Rate quoted for item of STP shall be inclusive of the provision. (e) The STP shall be based on SBR (Sequencing batch reactor) technology and design shall be accordingly carried out. (f) The treated water after tertiary treatment shall be fit for arboriculture activities etc. (g) All civil, electrical and mechanical components required after end of sewer network till delivery of treated effluent including storage tank of treated effluent before its pumping are covered under the item of STP and shall be inclusive in rate quoted for item of STP. (h) The quantities of various components if given in description of item are tentative and actual quantities as per design of STP for specified capacity shall be considered while quoting the rate for STP.

Excavataion in trenches width not exceeding 1.5m wide and n. exc 1.5 m depth for foundations, shafts, wells, cesspits, manholes, pier holes etc not exceeding 10 Sqm on plan etc and getting out in hard/ dense soil complete all as specified.

M & L for providing PCC 1:4:8 type D-2 (using 40mm graded crushed stone aggregate) as in foundations, filling and mass concrete complete all as specified & directed

M&L for Pre-cast cement concrete block masonry with solid blocks Type C1, 1:3:6 (using 20 mm graded aggregate) and setting in cement mortar 1:4, complete all as specified and directed.

M & L for PCC Type B0, 1:2:4 (12.5mm graded aggregate) in coping, benching and the like incl formwork complete all as specified and directed.

S&F 150mm dia bore (inner dia) double wall corrugated HDPE pipe (SN-8) in any length including all fittings and jointing with elastomeric rubber link and coupler/ other jointing materials laid in trenches or in floors all as specified & directed.

M&L for reinforced concrete pipes 150mm dia bore, class NP-2 laid and jointed complete with collars all as specified and directed

M&L for providing cement concrete 1:3:6 type C-2 in bed to 150mm dia drain pipes including packing under and haunching against the sides of pipes complete all as specified and directed

M&L for rendering 15 mm thick in CM 1:4 on concrete or brick surface as in wall finishes even and smooth without using extra cement incl of WPC complete all as specified and directed.

Supply only integral Water proofing liquid @ 200ml per bag of cement or as per manufacturer's instruction all as specified & directed

Cutting in to existing manholes for forming new drains and making good to pipes and rendering, cutting out existing benching in cement concrete 1:2:4 type B1 (in 1/2 or 3/4 round in section) and reforming benching complete all as specified and directed.

M&L for providing precast reinforced cement concrete type B1, 1:2:4 using 20mm garded stone aggregate as in landings, cover slabs (for manholes) and similar articles with plain faces and setting in cement mortar 1:6 complete with joints to match incl use of necessary formwork complete all as specified and directed. Note: Reinforcement shall be measured and paid seperately

S& F TMT CRS 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 clip

Returning filling including spreading levelling watering and well ramming in layers not exceeding 25 cm thick complete all as specified and directed..

Removing excavated material (soil) to a distance of 50m and depositing at a level n. exc 1.5m above the starting point including spreading & levelling to the gradient complete as specified & directed

Demolition of cement concrete (un reinforced) of any description and in any position not otherwise specifically provided and removing the debris outside of MD land all as directed.

M&L for providing PCC 1:2:4 type B-2 (using 40mm graded stone aggregate) as in foundation, filling and mass concrete complete as specified & directed

S&F PVC (SWR) 75mm dia pipes for linking of kitchen and bathroom to Gully trap by cutting, jointing to existing including bent/ elbow etc complete as specified & directed

PHASE-II : (ITEM No. 3.00 and 4.00) (A) COMPREHENSIVE MAINTENANCE: Material & labour for comprehensive maintenance of the above STP of capacity 20KLD for the period of 120 months after completion of Phase-I. The scope of comprehensive maintenance includes maintenance of complete infrastucture under this work and replacing all defective components and restoring any defect/ deformity/ wear and tear during defect liability period of two years and comprehensive maintenance of all STP components under this job, (Sl. Item No 1.00 to 1.03) including all pumps and LT panels in the scope of entire tender for further period of eight years after completion defect liability period. The scope shall also include comprehensive maintenance of all electrical & Sewage Pumps items such as main switch, starter, change over switch, MCCB, voltmeter, ammeter, panel board etc, Sewage water pump, valve system, controlling system, daily checking, leakage, checking noise, cleaning of plant and its surrounding area etc, as per manuafactures instructions and as specified and directed by Engr-in-charge. NOTE: (a) Comprehensive maintenance includes replacement of all defective/ worn out/damaged parts with new parts and nothing extra shall be paid on this account except the payment specified in this item. (b) The contractor shall be responsible for periodic maintenance, as per maintenance schedule and specified including renewal / replacement of parts, lubricants, fittings/ fixtures, filling of bacteria, etc required for smooth functioning of the plant as per manufactures instructions. (c) The rate quoted shall be deemed to be inclusive of safety gear & required tools for maintenance. (d) The cosumable chemicals like sodium hypoclorite and chlorine shall only be supplied by AGE for treatment of sewage and all other spares/ consumable are to be provided by the contractor without any extra cost. (e) Electricity for running of plant will be provided by GE.

(f) The quoted rate is deemed to be inclusive of tools & testing instruments required for operation & maintenance of STP plant. (g) The sludge cakes produced after treatment shall become contractors property and shall be removed from premises of STP as early as possible. The rate shall be quoted accordingly. (h) In case of non function of STP plant penal recovery @ Rs. 3000/day shall be effected 24 Hrs after the defect is noticed or notified. (j) Any defect in the motors, pumps, plant or any other part of STP shall be considered as outstanding defect and penal charge shall be applicable as above note. (k) In case of failure due to absence of operating staff, the contractor shall be liable to pay compensation at twice the cost of a day's manning & operation derived on pro-rata basis of schedule 'A' quoted rates.

Comprehensive maintenance as per description given above for 1st year of defect liability period after completion of Phase-I

Comprehensive maintenance as per description given above for 2nd year of defect liability period after completion of Phase-I

Comprehensive maintenance as per description given above for 3rd year after completion of Phase-I

Comprehensive maintenance as per description given above for 4th year after completion of Phase-I

Comprehensive maintenance as per description given above for 5th year after completion of Phase-I

Comprehensive maintenance as per description given above for 6th year after completion of Phase-I

Comprehensive maintenance as per description given above for 7th year after completion of Phase-I

Comprehensive maintenance as per description given above for 8th year after completion of Phase-I

Comprehensive maintenance as per description given above for 9th year after completion of Phase-I

Comprehensive maintenance as per description given above for 10th year after completion of Phase-I

OPERATION OF THE PLANT: Operating and keeping the STP of capacity 20 KLD in running/ operational condition by deploying FGM/ technical staff to treat the inflow and to produce the treated effluent of specified quality including Sundays and holidays including all connected electrical & Sewage Pumps items such as main switch, starter, change over switch, MCCB, voltmeter, ammeter, panel board etc, Sewage water pump, valve system, controlling system, daily checking, leakage, checking noise, cleaning of plant and its sorrounding area etc for a period of 120 months on yearwise basis including all holidays all as specified and directed by Engr-in-charge. NOTE: (i) Contractor shall deploy One skilled operator (FGM) per shift in two shift per day for STP of capacity 20KLD for Operation of STP for period of 10 (ten) years after completion of Phase-I. Shift timing shall be as under:- Shift-I: 0600 Hrs to 1400Hrs Shift-II: 1400Hrs to 2200 Hrs (ii) The contractor shall employ FGMs having minimum qualification of ITI from recognised institute having sufficient knowledge and experience of minimum 02 years in maintenance/ operation of similar work. The operators must be competent to carry out the repairs/ maintenance of plant as required (iii) The operaters shall maintain the desired quality treated water including tracing out and rectification of minor leakages in pipe line/ valves during the period (iv) The operators shall operate electrical equipement, pumps and maintain the STP in workable condition by checking daily leakages, noise, cleaning the plant and its surrounding areas of plant as directed. (v) The contractor shall maintain all registers under various rules, and shall be produced to the Engineer-in-Charge as well as officers detailed by central labour department. (vi) The unit rate quoted shall be deemed to be included for cost of labour for daily routine maintenance for trouble free functioning of installation. (vii) The quoted rate shall be deemed to be inclusive all consumables required for operation of STP except sodium hypochlorite and chlorine. (viii) The payment to the staff employed shall be made within first week of every month through online mode in employees respective Bank Account. No payments to contractors/ firms will be made unless proof of payment of wages/EPF/ESI etc through bank account is submitted by the contractor to all employees. Contractor shall produce details of payment made to the employees along with supporting documents for the verification of Engineer-in-charge for processing the monthly/ final bills. In case of revision in pay slab by Government during the currency of contract, same shall be paid to the employee by the contractor and accordingly rates shall be quoted.

Operation of plant as per terms & condition above for 1st year after completion of Phase-I

Operation of plant as per terms & condition above for 2nd year after completion of Phase-I

Operation of plant as per terms & condition above for 3rd year after completion of Phase-I

Operation of plant as per terms & condition above for 4th year after completion of Phase-I

Operation of plant as per terms & condition above for 5th year after completion of Phase-I

Operation of plant as per terms & condition above for 6th year after completion of Phase-I

Operation of plant as per terms & condition above for 7th year after completion of Phase-I

Operation of plant as per terms & condition above for 8th year after completion of Phase-I

Operation of plant as per terms & condition above for 9th year after completion of Phase-I

Operation of plant as per terms & condition above for 10th year after completion of Phase-I

MUKESH CONSTRUCTION CO (BID ID -3327257)

Kakolil Trade Agencies (BID ID -3327272)

MANU CREATIONS (BID ID -3326517)

Electromech Engineers (BID ID -3327399)