COMPREHENSIVE MAINTENANCE OF STP PLANT, WTP EQUIPMENTS AND PASSENGER LIFT INCLUDING CONNECTED MISC WORKS AT CGDA COMPLEX AND BASE HOSPITAL UNDER GE (EM) BHDC-10

Amount

SCH 'A' SEC-I Comprehensive maintenance and repair including renewal/ replacement of defective parts/ fittings of 20 KLD STP installed at CGDA Complex (ION Exchange) for the entire period of contract complete all as specified and directed as per following details as mentioned in Srl 1.01 to 1.32 here-in-after:- (a) Main collection tank of 1,00,000 Ltr capacity, submersible sewage pump of capacity 10HP 3 phase 415V - 01 No. (b) Non-clogging pump 1HP 3 phase 415V – 01 No. (c) Aeration tank, Filter feed pump air blower 5HP 3 phase 415V – 02 Nos. (d) Activated carbon filter tank with assembly – 01 No. (e) Hypo chloride dozing system – 03 Nos. (f) Sand filter tank assembly – 01 No. (g) Recirculation pump 3HP 3 phase 415V – 01 No. (h) Open well submersible pump 5HP 3 phase 415V – 01 No. (j) UV system, Air Diffuser- 02 Nos (k) Other civil structures/ chambers, connected all STP equipments, panels, cables etc.

Note(s):- (i)The above maintenance shall be done through (ION Exchange/Thermax/.The tenderer has to submit an intent of MOU from (ION Exchange/Thermax for this effect alongwith the tender in cover 1 failing which financial bid shall not be opened.

(I) The parameters of input and output shall be maintained as under:- (a) Inlet parameters:- (i) BOD - 250 - 275 mg/ltr (ii) COD - 400 - 550 mg/ltr (iii) TSS - 400 mg/ltr (iv) PH - 7 to 7.5 (v) Fecal Coliform - < 230

(b) Parameters for treated sewage effluent required are as:- (i) BOD - Less than or equal to 10 mg/ ltr (ii) COD - Less than or equal to 150 mg/ ltr (iii) TSS - < 30 mg/ltr (iv) PH - 7 to 8 (v) E coli - Less than or equal to 100 counts/ 100 ml (vi) Residual chlorine - > 0.5mg/ ltr (iv) DO (Dissolved oxygen level - 2 to 4 mg/ ltr in biological system to be maintained)

(II) The following daily maintenance to be carried out:- (a) Bar screen chamber should be cleaned every day to ensure that it’s not choked. (b) Cleaning of Oil & Grease trap. (c) Once in every two hours pumps should be changed between working and standby i.e, Sewage feed pump, blower and Filter feed pump as directed by Engr-in-Charge. (d) Maintain disinfection liquid in chlorine dozing tank. (e) MGF and AGF back wash & rinse – Once in every 8 hours simultaneously. (f) Settling tank – Sludge should be disposed from settling tank to sludge drying bed. Once every 8 hours based on MLSS growth. (g) Monitoring and maintenance of log books periodically. (h) Treated water tank – chlorine content should be analysed to ensure that chlorine % is below 0.2 ppm. (j) MLSS growth – to be checked in aeration tank and equalization.

(III) The following weekly maintenance to be carried out:- A NGP STP system is inspected weekly and the following points attended to:- i) Inspect Equalisation Tank/ Entry to system for blockages, plastics etc and remove. ii) Inspect Aerator and note biomass growth, recirculation and any malodour. iii) Inspect Secondary clarifier (Humus, Tank) and note visual appearance of final effluent and absence (or otherwise) of sludge build up. iv) Check the outlet of the system for blockage etc. v) Check grease trap empty and if required top up with clean cold water. vi) Grease the bearings

(IV) The following monthly maintenance to be carried out:- Aerator MUST BE SWITECHED OFF during monthly maintenance procedures. Refer weekly maintenance schedule and follow the below mentioned instructions. i) Check motor for overheating (by touch) and remove dust etc. from air fins. ii) Grease all bearings through nipples. iii) Grease all chain couplings through casing nipples. iv) Check oil level in gearbox and top up if necessary. v) Check sludge return system from Humus Tank for function. vi) Apply light lubricating oil in small quantities to locks and hinges. vii) Empty and clean out grease trap and fill with clean cold water.

(VI) The following items shall be replaced as and when required or as directed by the Engr-in-Charge:- (a) Gaskets, Gland Packing. (b) O rings. (c) Drive belts for air blower and clarifier. (d) Minor electrical accessories viz Indication lamps, fuses etc. (e) Blades (f) Pasting materials (g) Consumables like gloves, safety jackets, helmets, respirators etc (h) Cleaning Chemicals, reagents, Lubricants etc.

(VII) The following tests shall be carried out and maintain the record of treated sewage as per frequency mentioned below:- Ser No Description of parameters Periodicity 1. PH Weekly 2. TSS Weekly 3. BOD Weekly 4. COD Weekly

Note for item No 1:- The Contractor shall also provide the following technical services and the quoted rate deemed to be inclusive of the following:- (a) The contractor shall visit the site/ plant before quoting the tender. The existing STP plant is MBBR and Original Equipment Manufacture is M/s ION Exchange.

(b) For technical support in comprehensive maintenance of STP, the contractor shall enter into MOU with any of the OEMs, mentioned in the tender. No additional payment on this account shall be made to the contractor by the department.

(c) The contractor shall ensure that the OEM shall be the one with whom MOU has been submitted prior to receipt of tender. However, in case the said OEM fails to perform his obligations as per MOU, the contractor may be allowed to get the technical support through any other OEM mentioned in the tender, after acceptance of tender with prior approval of Accepting Officer. However, in such cases, matter shall be taken up by the deptt with appropriate authority for disciplinary or other suitable action against the defaulting OEM. The contractor shall also be at liberty to take any action against such OEM. Contractor shall however be responsible for completion of the work under the contract strictly as per the terms and conditions of the contract agreement and no claim whatsoever on any account shall be entertained in this regard.

(d) Irrespective of the fact that MOU is signed by contractor with an OEM, contractor shall be fully responsible for overall performance and quality of treated water coming out after treatment.

(e) The comprehensive maintenance of STP plant of MBBR will be carried out through the OEM's personnel under the supervision of contractor and the Engineer-in-Charge. The OEM shall be responsible for all technical support for comprehensive maintenance and shall also be responsible for performance of the plant in terms of outlet parameters mentioned here-in-before.

(f) OEM or their authorised service centre shall employ round the clock one technician having sound knowledge in STP Plant to operate the plant, carryout water analysis checks through approved Laboratory and monitor the performance of the plant on a regular basis, interpret the results and suggest remedial measures in case of major deviations and one person for daily maintenance and cleaning of the plant.

(g) Visits of service Engineer of OEM at least once in every month and during break down or when urgently required for the Inspection, servicing repair, rectification of problem and submission of report.

(h) The maintenance supervisor shall be fully responsible for maintaining the STP in operational condition in consultation with the Engr-in-Charge.

(j) The cost of supply and replacement of worn out/ defective equipments, each and every type of repair, renewals, regular servicing for efficient and smooth functioning of STP and connected equipment/ items shall be deemed to be included in the unit quoted rates of BOQ.

(k) Repair/ replacement of any equipment/ machinery or part thereof provided under this contract shall be got done only from the manufacturer's authorised dealer/ OEM and record thereof shall be maintained.

(l) The contractor has to provide all consumable spares, oil & lubricants for greasing of various equipments, chemicals, consumables for electrical and mechanical plant & machinery.

(m) One month's consumables and required spares shall always be kept at site in advance.

(n) Major repairs/ overhauling etc. shall be notified to the GE immediately on occurrence. The cost of each part/ equipment replaced shall be deemed to be included in the unit rates quoted by the contractor. The rates quoted in BOQ shall be deemed to be included for all materials and labour reqd for comprehensive maintenance including repair/ replacement of all the component equipment for keeping the STP in operational condition.

(o) The entire treated water will be reutilised for arboriculture purpose/ flushing system of toilets. The quantity of treated water shall meet all the criteria given here in before.

(p) The contractor shall carry out various tests on treated sewage and record the same in registers duly signed by contractor's rep, JE and Engr-in-Charge. The tests shall be carried out from Govt approved laboratories. Contractor shall also be at liberty to establish his own laboratories at site for same after prior approval of GE, however, GE can ask the contractor to get independent tests from Govt lab/ Govt Engineering colleges. The cost of above shall be deemed included in the rates quoted by contractor in BOQ.

(q) The Installation shall be frequently visited by the MES/ CGDA REP. It shall be contractor responsibility for proper upkeep of the area in a presentable state all the time. Surrounding area upto the fencing/ boundary of STP shall be kept clean and cleared of bushes/ shrubs and grass all the time to give a neat and clean appearance of the area.

(r) Registers of record of periodical maintenance carried out data wise for each equipment separately and the same shall be signed by both parties i.e authorise rep of contractor, JE and Engr-in-Charge.

(s) Repair to system in case of break down (due to normal wear & tear) shall be rectified by the contractor within 24 hrs. In case of failure noticed more than 24 hrs, recovery shall be effected @ Rs. 500/- per hour beyond 24 hrs.

(t) Disposal of all sludge at suitable frequency outside the defence land as per NGT Norms/ Delhi Govt norms. Contractor is deemed to have identify the area suitable for disposal for sludge. The cost of same shall deemed to have been included in the quoted rates.

(u) Replacement Diffusers for sewage treatment Plant of capacity 20 KLD (STP Make- ION Exchange), length -01 Metre, dia 75mm, type- bubble diffuser complete all as per OEM Specifications/ Recommendations.

(v) Replacement fluidized/MBBR (Moving Bed Bio film Reactor) special coated PVC Media, Size 22/16 for STP Plant of capacity 20 KLD (STP Make- ION Exchange) as per recommendation of OEM.

(w) Replacement Tube Duck Media for STP Plant of capacity 20 KLD (STP Make- ION Exchange) as per recommendation of OEM.

(x) Replacement Rubber Gasket suitable for existing water treatment plant vassal complete all as specified and as directed.

(y) Removal of mud / silt, paper waste, rugs, poly packs and foreign material accumulated in the angle iron platform in shafts cleaning of sewage tank with the help of Vacuum pressure cleaner supports vertical stacks of CI / PVC pipes in the above mentioned shafts of the bldg and disposal of the same collected from shaft inside CGDA and disposal out side MOD Land as per NGT Norms/ Delhi Govt Norms.

Comprehensive maintenance and repair including renewal/ replacement of defective parts/ fitting of Water Treatment Plant 9000 LPM capacity 6000 LPH Flow rate 10000 LPH/MSq installed at CGDA Complex (ION Exchange) for the entire period of contract complete all as specified and directed as per following details:- Softner Plant 01 Nos capacity -9000 LPH, Carbon Filter -01, Resin Filter-01, Filter Media-01 Nos including all Pressure Gauges piping system, and Valves.

Comprehensive maintenance and repair including renewal/ replacement of defective parts/ fitting of electrically operated lifts suitable for serving passenger lifts installed at Base Hospital (ThyssenKrupp Elevators (India) for the entire period of contract complete all as specified and directed as mentioned in Srl 3.01 to 3.03 here-in-after as per following details:- ADM BLDG (Base Hospital) (i) Ground + One floor (two landings) with elecrric power operated doors, auto electric levelling device of capacity 2000 Kgs lift. Make : Thyssenkrupp Elevators (India) installed at bldg in Base Hospital = Total 01 No.

Note:- (i)The above maintenance shall be done through Thyssenkrupp/Kone/schindler.The tenderer has to submit an intent of MOU from Thyssenkrupp/ Kone/ Schindler for this effect alongwith the tender in cover 1.

(ii) The contractor will have to submit final MOU and copy of Annual Maintenance Contract(With machine Nos of each lift) from Thyssenkrupp/ Kone/ Schindler before commencement of work or immediately after acceptance.

(iii) The contractor will provide one mechanic for one sift (sift decide by Engineer-in-Charge) for emergency break down attendence and rescue of trapped persons at Pocket I.

SCH 'A' SEC-II

Supply and top up Stabilized Bio Nits powder for STP complete all as specified and as directed.

Supply and top up Stabilized Bio Nits Liquid for STP complete all as specified and as directed.

Supply and Filling Hypochlorite liquid for STP complete all as specified and as directed.

Supply and filling in replacement Special granules Activated Carbon Media of size 8-16mm of Carbon Filter Media Plant complete all as specified and as directed.

Supply & filling Indian Cation Exchange Resin-220 Na complete all as specified and as directed.

Supply, filling, cleaning and testing in replacement Filter Media suitable of existing water treatment plant complete all as specified and as directed.

Excavating in post holes (or similar holes) each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm complete all as specified and directed.

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

M&L Cement concrete in foundations, filling and mass concrete PCC 1:2:4 type B-1 using 20mm graded stone aggregate complete all as specified and directed.

S&F in replacement Hand rails, half round or other steel section or core for wooden hand-rail straight portion, drilled and countersunk for balusters running bars, for doors, balusters, nosing to steps including embeding in concrete and screwing etc. wind ties for roof including securing bolts complete all as specified and directed.

S&F in replacement pre-painted galvatume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.

M&L in replacement Roof trusses (framed), trussed, purlins, crane gantries, rails and fastenings and heavy bracket framing (Beam, tee, angle, channel or flat sections) including distance pieces, cleats etc.

M&L two coats of synthetic enamel paint on new steel surfaces of any description, over 10cm in width or girth, not otherwise described complete all as specified and directed.

M&L PCC 100mm thick Cement concrete type B- 2, 1:2:4 (using 40mm graded stone aggregate) including demolition of PCC/ tiles complete all as specified and directed.

M&L Machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60 mm thickness, M-35 Grade laid over and including sand cushioning of 15mm thick complete all as specified and directed.

S&F in replacement indoor unit of inverter based complete set of 3.0 Tr split AC consist of blower motor, blower, wiring kit complete with display & electronic card & LCD remote assembly, cooling coil, plastic housing with bracket frame, 100% copper, anti corrosive fins etc suitable for non CFC gases complete all as specified. IDU - (WxHxD) mm: 840x245x840 IDU grill (WxDxH) mm: 1020x50x1020 Net weight (Kg) : 25.5 Kg Net IDU grill Kg: 5.8 Kg Model of IDU : BI-ID336MBTUR3 Model of grill : BG- ID336MBTUR3 Supply power cable from IDU to ODU : 4 Core x 1.5 Sqmm

S&F in replacement outdoor unit of inverter based complete set of 3.0 Tr split AC consist of compressor, blower motor, blower, wiring kit complete with display & electronic card & LCD remote assembly, cooling coil, plastic housing with bracket frame, 100% copper, anti corrosive fins etc suitable for non CFC gases complete all as specified. ODU - (WxHxD) mm : 946x810x410 Net weight (Kg) : 67.9 Kg Gross weight (Kg) : 72Kg Ambient temp range : -52 degree C Model : B0 - ID336MBTUR3

S&F in replacement refrigerant copper pipe 5/8'' with insulation complete all as specified and directed.

S&F in replacement refrigerant copper pipe 3/8'' with insulation complete all as specified and directed.

Saini Enterprises

Shiv Enterprises

J.P. Enterprises

D P ENTERPRISES