Military Engineer Services-MES has published Provision Of Grid Connected Solar Power Plant Of Capacity 130 Kw At Sumdo Grn In The Area Of Age Em We Pooh Under Ge 863 Ews. Submission Date for this Tender is 04-04-2023. Solar Power Plants Tenders in Lahul And Spiti Himachal Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 06-Mar-2023 | amendments to BOQ | BOQ | 23-03-2023 |
| 2 | 13-Mar-2023 | amendments to BOQ2 | BOQ | 23-03-2023 |
| 3 | 13-Mar-2023 | amendment to tender documents | Other | 23-03-2023 |
| 4 | 23-Mar-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 30-03-2023 |
| 5 | 30-Mar-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 04-04-2023 |
| Sl. No. | Item Description |
| 1 | 1. Design, manufacture, supply, fabrication, erection, installation, testing and commissioning of grid connecting Solar PV plant of total 130 kWp including solar grade copper cable upto Solar Inverter, array junction boxes suitable for conditions prevailing at Him Yodha Mil Stn (Sumdo) Himachal Pradesh comprising of following sub components/sub systems and meeting the specifications as given subsequently & as directed. Note 1: (i) The design of Solar power plant to be vetted by NISE or Independent agency approved by MNRE. (ii)The installed system should be such that during the day, the power needs should be first met by Solar energy.In case the solar energy production is less than the required, the deficit power should be pulled automatically from the state government electric supply or DG set supply . All the while giving preference to complete consumption of solar energy first.There must also be provision for change over switch to use existing generators to power loads in case of power failiure of State Govt or Solar system at night and during overcast conditions.Note : To obtain 130kWP monocrystalline silicon solar PV modules not less than 330 Wp each with suitable no of PV modules to make up total capacity of 130 KWp having module efficiency not less than 18 %at standard test conditions , with front cover high transmission low iron tempered glass with AR Coating , fill factor more than 0.74 , plant performance ratio more than 95 %. (i) Rated output of modules shall have positive tolerance of 3-5% & no negative tolerance is allowed. (ii) It shall perform satisfactorily in relative humidity 100% with temperature -25ºC to +30ºC (Cell) and should withstand wind speeed of Sumdo on the surface of the panel. (iii)PV modules must be warranted for their output peak watt capacity, which shall not be less than 90% of the initial value at the end of 10 years and 80% of the initial value at the end of 25 years. (iv) Module Mounting Structure (MMS) and PV modules should cover warranty for 25 years. (v) Each module shall have RFID tag bearing the following details. RFID reader will be provided by contractor. ? Name of manufacturer of PV module ? Name of manufacturer of solar Cell ? Month and year of manufacturer (Separated for cell & module) ? Country of origin (separately for solar cell & module) ? Peak wattage, Im, Vm and fill factor of the module. ? Date of year of obtaining IEC PV module qualification certificate including the test lab issuing IEC certificate.? Unique serial No and model No of Module.? I-V curve of Module (vi) The temperature co-efficient for the module shall not be more than 0.50%/ºC . (vii) Every module must have by pass diode of suitable capacity.(viii)PV module must confirm to latest edition of IEC 61215/IS14286. In addition, the modules must conform to IEC 61730 Part-I & II for construction and testing & safety qualification.(ix) PV Module shall also be in conformity of latest technical specifications issued by MNRE from time to time. |
| 2 | (x)Provision of chemical earthing alongwith copperstrip for earth for solar PV module/Array/ ACDB / inverter etc as per latest IS/MNRE norms to be provided and the cost of the same is to be included in this item and no extra amount will be paid to the contractor on this account.(xi) RFID reader to be provided by contractor. (xii) Each module shall have RFID tag bearing the following details. RFID reader will be provided by contractor. PV module used insolar power project shall be as per para 2 (b)from (i) to (x) of E-in-C branch letter No 62888/ISWG/E4 (U5) dt 21 Jun 2017 as specified in particular specification and directed with performance guarantee for 25 years. (xiii) The temperature co-efficient for the module shall be suitable for Sumdo (HP) climatic conditions. (xiv) Photovoltaic cell shall be of indian origin. |
| 3 | 2. Module Mounting Structure:Design Supply, fixing, support structure MS hot dipped galvanised (80Microns) including PCC foundation for civil work (excavation, cutting,grouting, PCC etc.) and fixing the mounting arrangement suitable for PV solar modules & to withstand wind speed of Sumdo. The mounting structure is of mild steel hot dipped galvanised. The array structure shall be so designed that it will occupy minimum space without sacrificing the output from Solar PV panels. Nut bolts, supporting structures including module mounting structures shall have to be adequately protected from atmosphere and weather prevailing in the area. All fasteners shall be of stainless steel of grade SS316. Two numbers of anti-theft fasteners of stainless steel on two diagonally opposite corner of each module shall be provided. Note: Cost of interconnecting copper cables along with cable trays ( floor/ wall mounted ) suitable to accommodate solar grade cables & cables upto inverter is included in the item and no extra payment will be made to contractor. Lightning Protection for PV Array :- Design, supply & fix Lightning Arrestor ofthe required number of suitable Early Streamer Emission (ESE) lightning arrestors installed in the array field. Lightning arrestors/surge arrestors shall conform to IEC 60099-4 or IS:3070 except to the extent modified in the specifications. Arrestors shall be of hermetically sealed units, self-supporting construction, suitable for mounting on lattice type support with the following :- (I) ? The air terminal should be capable of racking the lightning stroke 60 micro seconds earlier as compare to passive lightning rod. (II)- ?The air terminal is Early Streamer Emission (E.S.E.) type which shall be fixed at the top of a GI elevation pole with base so as be at suitable height so the complete structure be protected. (III)? The air terminal should be working on the principle of early streamer emission using non-radioactve technology, needing no external power source (IV)? The air terminal is of stainless steel and it has qualified diameter to resist high values of lightning currents. (V)Roof connecting pipe should be capable of withstand in lightning strikes having dimension 50mm ID and 60mm OD. The terminal adaptor having inner dia 60mm OD. NOTE:- (a) Cost of all equipments, copper strip upto earth test point etc are included in this item. (b)The cost of sufficient earthing for equipments like solar panels, Inverter etc,lightning protection is deemed to beincluded in this item and no extra payment will be made to the contrator on this account. |
| 4 | 3. Grid Inverter : Supply, fixing, testing and commissioning of 130 KW, 50 Hz ± 3 Hz (minimum) 3 phase 400V, 24A DTH <3% at nominal power inverter suitable to convert DC power of solar PV module/array to AC for further feeding to grid & conforming IEC-61683 for efficiency, IEC-62109(1&2) or equivalant for safety & IEC-62093 for reliability. Make: Havells/Schnieder/ABB/Delta/Hitachi/ Waaree |
| 5 | 4. Grid interfacing AC Distribution Box (ACDB) with Energy Meter and necessary arrangement for integration with Grid:-(i) Output from the Grid-tied Solar String Inverter shall be fed to the Grid Interfacing Panel (ACDB) installed adjacent to the inverter through 4 Pole MCB of suitable current rating and multi function export kWh meter. ACDB shall control the AC power from inverters, and should have necessary surge arrestors (Class-I+II). The ACDB should be interconnected to the Building LT Panel / Substation while in grid tied mode. (ii) The ACDB should be outdoor type, metal clad, totally enclosed, rigid, floor mounted, air - insulated, cubical type suitable for operation on three phase 415V, 50 Hz. Unidirectional Energy Export Meter along with CT/PT shall be provided at the output feeder of ACDB to monitor the solar PV generation. (iii) All the 415 AC or 230 volts devices / equipment like bus support insulators, circuit breakers, VTs etc., mounted inside the switchgear shall be suitable for continuous operation and satisfactory performance under the following supply conditions:- Variation in supply voltage +/- 10 %, Variation in supply frquency +/- 3hz. (iv) The size of the cables between array interconnections, array to junction boxes, junction boxes to Inverter etc shall be so selected to keep the voltage drop and losses to the minimum. The cables (as per IS) should be insulated with a special grade PVC compound formulated for outdoor use.(v) The bidirectionalenergy meter alongwith suitable CTs will be provided by the contractor as per site requirement with necessary testing to be done from the Rep of HPSEB. The meter shall be compliant to the system of recording meter reading through (MRI) or through wireless. |
| 6 | 5. Remote Monitoring complete systems including hardware and Modem/ Router shall facilitate monitoring of the performance of the Inverter/ inverters, energy yield, etc through LAN based or GSM based network. PC based inverter monitoring is also required for local monitoring of each system. (a) Central recording of all system data (b) Data transfer remotely for monitoring and evaluation (c) High data backup (d) Expansion possible with additional measuring modules (e) Communication to the most diverse systems with different interfaces (f) Compatible with the products of all leading inverter manufacturers. |
| 7 | 6. Ground Development worksAll civil works associated with the installation & commissioning of PV Array shall have to be done by the Contractor.The Contractor shall specify and submit detail drawings indicating minimum space to be required for installation of indoor equipments as well as PV Array. All earthwork for clearing the site and foundation, PCC(1:3:6) in foundation, RCC (1:2:4) including reinforcement and formwork in foundation, column and base/ platform shall be done by contractor and cost thereof is deemed to be included in unit rate quoted by bidder against solar plant. Notes: The automatic isolation or islanding protection of SPV should be ensured for, no grid supply and low or over voltage conditions and within the required response time. Adequate rated fuses and fast acting circuit breakers on input and output side of the inverters and disconnect/isolating switches to isolate DC and AC system for maintaining shall be provided. Cost thereof is deemed to be included in unit rate of solar plant quoted by contractor.The contractor should provide for all internal safety and protecting mechanism for earthing, surge, DC ground fault, transients etc. Column design to be considered taking into view wind speed at site by MNRE approved engineers. |
| 8 | Servicing of ongrid Solar PV Plant of 130 KWP capacity from the date of installation/comissioning till completion of Defect LiabilityPeriod of two years to ensure the functioning serviceability of the plant efficiently with and including the maintanance spares and including servicing of the following on requirement basis as directed by Engineer-in-Charge:- Note;- 1. Technician shall be trained by TERI or other institutes approved by NISE under skill development program"Surya Mitra" approved by MNRE GOI. 2. The cost of comprehensive maintenance including spare parts of solar plant installed under this contract for two years from certified date of completion i.e. during defect liability period shall deemed to be included under item 1 of BOQ. bidder has to quote for servicing only under item 2 (this item) (i) DC DBs (ii) AC DBs (iii) Connectors suitable for solar plant (iv) Invertor communication relays (v) Programming of invertors and system (vi) Internal DC wiring (vii) Maintenance of Photo voltic panels and invertor system to its original state. (viii) Maintenance of batteries such as top up of distilled water, cleaning of battery posts, filling of battery terminal posts etc. (ix) Dusting/cleaning of the PV solar panels as per maintenance schedule. (x) Site visit of the engineer as per maintenance schedule (xi) Emergency breakdown maintenance (response within 48 hours) (xii) The plant should not remain shut for a period of more than 48 hrs after which penality will be imposed@ Rs 1000/day. (xii) Any other maintenance required at site for the efficiently working of the plant (xiv)Detailed maintenance schedule is given under particualr specification here-in-after |
| 9 | Annual Comprehensive Maintenancefor the period after Defect Liability Period all as speciefied and servicing as catered under BOQ Item 2.01 to 2.13 here -in - before and as directed. NOTE; Unserviceable Spare parts shall be provided by the bidders and rate quoted by the bidders shall deem to be included in the same and nothing extra shall be admissible on this account . |
| 10 | Supplying, laying, jointing & testingXLPE cable insulated IS 7098(Part-I)-1988, marked, screened, PVC sheathedarmoured electric power cable ( heavy duty) with aluminium conductor for working voltage upto and including 1100 Volts croos sectional area 185 Sqmm 3.5 core with aluminium stranded, laid in trenches / fixed on pole / wall / passed through pipe complete all as specified and directed by Engineer - in - Charge, Make : Havells / Polycab / Plaza / KEI / GLOSTER. Note :- Road cutting involved any to be repaired with PCC. |
| 11 | Excavation in trenches not exc 1.5 metre wide and not exc 1.5 metre in depth in soft/loose soil for laying underground cables / erection of steel tubular poles / stay pit etc.,all as specified and directed by Engineer - in - Charge. |
| 12 | Returning, filling in incl spreading ,levelling watering and well ramming in layer n exc 25cm thick in soil each layer,complete all as specified and directed by Engineer - in - Charge. |
| 13 | Removing excavated surplus material to a distance n exc 50m and depositing where directed at level n. exc 1.5m above the starting point in any type of soil, complete, all as specified and directed by Engineer-in-Charge. |
| 14 | M & L for sand cushioning the UG cable screened unwashed river sand and punning for cushioning to cable all as speicified and directed by Engineer - in - Charge. |
| 15 | M & L for laying dry bricks old size with sub class "B" made of burnt clay best qualitywith permissible tolerance , laid straight in trench for protection of cable all as specified and directed by Engineer - in - Charge. |
| 16 | Supply and fix Smart integrated All in one Solar LED street light with >100 Lum/W PWM Charge Controller , Lion battery , Mono Crystalline Solar Panel , PIR sensor of capacity 25 Watt Make : Crompton, Model : Helius IV, No - CSADSPI25CDL or equivelent , complete all as specified and directed. |
| 17 | Supply, installing , testing and commissioning , CPRI approved factory made and tested LT Panel box out door type , platform mounted suitable for 3 phase 3 wire, 50 HZ , AC Supply system base bus bar chamber with insulated Aluminium bus bar of rating 900 Amps (03 x 300 Amps) , phase and 450 amps for neutral rating installed on porcelain insulator.The panel shall be dust and vermin proof IP65 class protection and made out of 3.15 mm thick CRCA MS sheet and fabricated with 40x40x6mm thick angle iron frame work for mounting , including PCC foundation and powder coated finish over one coat of red oxide primer outside two coats of primer inside and front & back opening type with double door shutter and proper space for cable entry and exit including provision of locking arrangement with 65mm Godrej (freedom) lock - 02 Nos with with following items complete all as specified and directed at site by Engr - in - Charge :- (a)MCCB 400 Amps , 4 Pole , 36 KA Adjustable thermal & fixed magnetic type - 02 Nos (One Reserve) (b)MCCB 200 Amps , 4 Pole , 25 KA Adjustable thermal & fixed magnetic type - 03 Nos. (One Reserve) (c)MCB SPN 6-32 Amps - 02 Nos. (d)Phase indicator lamp - 01 set of three (e)Digital volt meter and Amps meter with selector switch- 01 Set Note : Drawing of panel will be approved by Engineer - in - Charge before fabrication. |
| 18 | M & L for Earthing complete with galvanised steel earth plate electrode 600x600x6.0mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised strip of size 32 x 6 mm earth continuity coductor by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 of SSR-I 2009, connected to main switch board all as specified and including testing on completion. Necessary excavation, earthwork, PCC works and CI earth pit cover with watering pipe 20 mm dia GI Pipe medium grade, funnel with wire mesh and lugs GI Pipe of 15 mm dia of light grade for protection of earth wire complete all as specified and directed by Engineer-in-Charge. |
| 19 | Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out hard and dense soil ,complete all as specified and directed. |
| 20 | Excavation in trenches n exc. 1.5m wide and not exc1.5m in depth and getting out in hard / dense soil for foundation etc. ,complete all as specified and directed. |
| 21 | M&L for P.C.C 1:4:8 type D-2 usng 40 mm graded stone agg in foundation filling and mass concrete ,complete all as specified and directed. |
| 22 | M&L for RR stone masonary built in CM 1:6 as in retaining wall, manholes, tank staging ,complete all as specified and directed. |
| 23 | M/Lprecast PCC 1:3:6 type C1 using 20mm graded stone agg as bonder stones set in cement mortar 1:6 complete all as specified and as directed |
| 24 | M&L for Precast cement concrete block masonry 1:3:6 type C-I with solid block exc 10 cm in width and setting in cement morter 1:4. |
| 25 | M&L PCC (1:3:6) type C-1 using 20mm graded stone agg as in coping finished even and fair without using extra cement . |
| 26 | M&L PCC (1:3:6) type C-1 using 40mm graded stone agg, 75mm thick ,as in plinth protection, finished even and fair without using extra cement ,complete all as specified and directed.. |
| 27 | M&L for reinforced cement concrete (nominal mix) Type B0 1;2:4using 12.5 mm grade agg stone for slabs supported on walls, beams, and colmns in floors, roofs, landings, balconies, canopies deck slabs and in shelves and like ,complete all as specified and directed. |
| 28 | M&L formwork to soffits of suspended slabs such as roof slabs, floor slabs landingsans similar work exceeding 200 mm thick complete all as specified and as directed. |
| 29 | M&L for TMT bar 10mm dia and over cut to length bend to shape required and binding with mild steel wire annealed not less than 0.9mm dia ,complete all as specified and directed. |
| 30 | M&L for TMT bar 6mm to 8mm dia as in stirrups cut to length bend to shape required and binding with mild steel wire annealed not less than 0.9mm dia ,complete all as specified and directed. |
| 31 | S&FFe-410-W(Gde- E-250) quality-A Roof trusses (framed) ,trussed, purlings, crane gantries, rails and fasenings and heavy bracket framing (Beam , tee, angle ) channel or flat sections ) including distance pieces , cleats all as specified and as directed. |
| 32 | S&F Steel windows with side hung shutters including projecting type hinges with steel handle, and steel peg stay, dovetailed or weldedall as specified and as directed. |
| 33 | S&F Pre-painted galvalume alu zinc coating GI based corrougated steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall , fixed with self tapping screw complete all as specified and as directed. |
| 34 | M&L for hardcore of stone aggregate of gauge n exc .63 mm, deposited, spread and levelled in layers n exc. 15 cm thick waterd and rammed to a true surface ,complete all as specified and directed. |
| 35 | M&L for 100mm thick PCC (1:4:8) type D-2 using 40 mm graded stone agg, in sub base of floor ,complete all as specified and directed.. |
| 36 | 40 mm thick PCC 1:2:4 type B1 (using 20 mm graded granite stone aggregate) in floorings including finishing the surface even and smooth using extra cement, including making impressions of expanded metal, whilst the concrete is green ,complete all as specified and directed.. |
| 37 | M&L for 40 mm thick PCC (1:2:4) type B-0 using 12.5 mm graded stone agg in sub base of floor completed all specified and directed. |
| 38 | M&L for 15 mm thick rendering in cement mortar 1:4 on concrete block masonry finishing even and smooth without using extra cement,complete all as specified and directed.. |
| 39 | M&L for 10 mm thick rendering in cement mortar 1:6 on concrete block masonry finishing even and smooth without using extra cement ,complete all as specified and directed. . |
| 40 | Material & labour for preparation of new surfaces and & applying two coat of distemperingover a coat of primer complete all as specified and directed . |
| 41 | M&L for preparation of newly plastered surface of walls and applying two coats of cement base paint ,complete all as specified and directed. |
| 42 | M&L for two coats synthetic enamelled paint over one coat of red oxide primer incl preparation of new surface of steel of any description over 10cm width or girth ,complete all as specified and directed. |
| 43 | Returning filling in including speading,leveling ,watering and well ramming in layer complete all as specified and directed by Engr-in-charge. |
| 44 | M&L removal of excavated Soil to a distance n exc 50m and depositing where directed ,complete all as specified and directed.. |
| 45 | S&F for 2nd class hard wood plain, solid, straight chowkats and frames, wrought framed rebated on the solid, rounded or chamfered, put together with glue pinned at joints, supplied and fixed ,complete all as specified and directed. |
| 46 | M&L 35mm thick 2nd class hardwood plain framed panneled shutter with lock rail and panel of 9mm BWP commertial ply or 12mm veneered partivle board with commercial veneering on both faces.The size of rail and dtiles as per IS-1003 (Part-1) klin seasoned and chemically pressure treated ,complete all as specified and directed. |
| 47 | Supply& fixing MS barrel tower bolt of 100mm long stove enamelled black with bright bolt complete all as specified and directed by Engr-in-charge. |
| 48 | Supply & fixing 300 mm longmild steel sliding door bolts plate type stove enamelled black with bright bolt not less than 12mm dia with and including a minimum of 6 bolts and nuts four on bolts plate and two on couple plate and fixed complete all as specified and directed . |
| 49 | S&F 100mm long MS butt hinges medium weight cold rdlled ,complete all as specified and directed. |
| 50 | Supply& fixing MS pressed handle oval type stove enamelled black of 125mm long fixed with screw to shutter complete all as specified and directed . |
| 51 | Supply & fixing 300 mm ,Mild steel ordinary rat rail rod pattern springs including roller and roller plate ,complete all as specified and directed. |
| 52 | M & L for preparation and applying two coat of synthetic enamel paint on wooden surface over one coat of pink primer ,complete all as specified and directed. |
| 53 | M & L for Hangers 6 mm dia. G.I. (upto 1200mm length) adjusting level fixed to roof slabs by means of ceilling cleats made out of G.I. flat 40 x 3 mm size 60mm long and expansion hold fasteners 12.5mm dia. 40mm long complete all as specified |
| 54 | M & L for Anodised aluminium snap grid frame worksize 605mm x 605mm for false ceiling ,complete all as specified and directed. |
| 55 | M & L for Non asbestos fibre cement building boards 10mm thick fixed orlaid/ inserted to timber/GI/Aluminium framework with screws,complete all as specified and directed. |
| 56 | S&F 4mm thickSheet glass, ordinary quality and glazing with oil putty in square n exc 0.5 sq. m in each pane ,complete all as specifed and as directed |
| 57 | M & L Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding towall, fixed with self tapping screws ,complete all as specified and directed. |
| 58 | M & L for Excavating in post holes (or similar holes) each n. exc 0.5 cum getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm, watering, and removing surplus soil to a distance n. exc 50m and making good surface in soft/loose soil ,complete all as specified and directed. |
| 59 | M&L for Providing cement concrete typeD-2, 1:4:8 ( using 40mm graded aggregate) as in foundation, filling and mass concrete ,complete all as specified and directed. |
| 60 | M&L for providing cement concrete type B-2, 1:2:4 (using 40mm graded crushed stone aggregate) as in foundation, filling and mass concrete ,complete all as specified and directed. |
| 61 | M&L for mild steel work as in posts or struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire etc flat iron fillets (for securing wire mesh etc) including all necessary bolting or riveting and spot welding etc and similar work conforming to Fe-290 Gde E-165. |
| 62 | S&F Galvanised, 2 strand, steel barbed wire 2.24 mm dia, barbed with 2 mm dia barbs at 75mm spacing and straining and fixing to any type of standard rails straining bolts, including securing or tying at crossing with and provision of galvanised mild steel wire, staples or steel pins, etc as directed (each line of wire to be measured) |
| 63 | S&F Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other to be fitted with washers and one hexagonal or square nuts, n. exc 5cm long , diameter of neck 5 to 10mm. |
| 64 | Supply only chain link fencingmild steel galvanised fencing any size and type (size of mesh and dia of wire as directed by Engg-in-charge) all as specified. |
| 65 | Fixing only chain link fencing of any type fixed to RCC / steel post with mild steel flat & nut bolt etc. Note: (i) Supply only fencing, will be measured and paid separately. (ii) Supply and fix mild steel nut bolt, line wire and flat will be measured and paid separately. |
| 66 | S&F Mild steel round bars 10mm dia and over as in strengthning bars for chain link fencing conforming to Fe-290 Gde E-165 |
| 67 | S&F in Replacement recessed mount LED 7 Watts downlight with in built driver, injection moulded housing and made of high translucent frosted optically efficent for anti-glare and smooth light distribution, complete all as specified and directed. make -crompto Cat NO LDRDLJ7-WWor equivelent in havells or wipro as approved. |
| 68 | Note:- The total shall subject to adjustment of credit of NIL for old Materials as per Schedule of Credit. |
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