Tender document (volume-ii) (Scope of Works, Technical Specification, List of approved makes, Tender Drawings) nit no. Dli/nro/pmd/joka/001


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TENDER DOCUMENT


(VOLUME-II)
(Scope of Works, Technical Specification, List of approved makes, Tender Drawings)
NIT NO. : DLI/NRO/PMD/JOKA/001




RENOVATION OF EXISTING

EMPLOYEES STATE INSURANCE CORPORATION

(ESIC) HOSPITAL AT JOKA


ISSUED TO

________________________________
________________________________


ENGINEERING PROJECTS (INDIA) LIMITED

SCOPE COMPLEX, CORE –III, LODHI ROAD,

NEW DELHI:110003

1. Introduction
1.1 Information about the site :

An Existing ESIC Hospital Buiding at Joka comprising of Ground and 9 storeys.


1.2 SCOPE OF WORK



In the First phase 9th floor of existing hospital block to accommodate Library,Lecture halls, Demo Rooms and existing IPD block C Ground to 9 th floor for Blood bank and faculty rooms are to be renovated
The Scope of work covers
1.Dismantling of existing floors , doors and windows etc.
2.Laying of new flooring in wards, toilets, aluminum windows, doors ,painting, false ceiling, plumbing ,electrical, Fire detection,, and furniture items

GENERAL TECHNICAL SPECIFICATION :
2.0 GENERAL SPECIFICATION

2.1The work in general shall be carried out as per CPWD specifications, 1996 (volume I to VI) (updated with correction slips issued up to last date of submission of tender) and text of revised CPWD specifications for cement mortar, cement concrete and RCC works, 2002 unless otherwise specified in the nomenclature of the individual item or in the particular specifications for civil works and CPWD specifications, 1994 for Electrical works (Internal) and 1995 for Electrical works (External) (updated with correction slips issued up to last date of submission of tender).

2.2 All Electrical installation shall comply with the requirements of Indian Electricity rules, 1956 and Indian Electricity Act-1910 as amended up to date and bye laws of authority of State Government or any other department.

2.3 All mechanical works related to Public Health Engineering will conform to the requirements of manual of Water Supply by the Ministry of Urban Development and various Indian Standards as listed there-in.

2.4 All electrical works will conform to various Indian Codes as listed in the Technical Specifications.

2.5 For the items not covered under the specifications as stated above, the work shall be done as per relevant IS Codes.

2.6 For the items not covered under any of the specifications stated above, the work shall be executed as per Manufacturer’s specifications/ General Engineering Practice and / or as per direction of Engineer in Charge.
2.7 ADDITIONAL PARTICULAR SPECIFICATION

In the absence of any definite provisions or any particular issue in the aforesaid specification, reference to be made to the latest codes and specifications of BIS, IRC, BS, ASTM, AASHTO and CAN/CAS in that order. Where even these are silent, the construction and completion of works shall conform to sound Engineering practice as approved by Engineer in Charge. In case of any dispute arises out of the interpretation of the above, the decision of the Engineer in charge shall be final and binding on the contractor.

Where ever reference is made in the contract to specific standard codes to be met by the materials, plants and other supplies to be furnished and work performed and tested, the latest edition or revision of the relevant codes in effect shall apply, unless otherwise explicitly stated in the contract. Where such standards and codes are national, or related to a particular country of region, other internationally recognized standards which ensure a substantially equal or higher performance than the standards and codes specified will be accepted subject to the Engineer in charge prior review and written approval. Differences between standards must be fully described in writing by the contractor and submitted to the Engineer in Charge at least 15 days prior to the date when contractor desires the Engineer in Charge‘s approval. If the Engineer in Charge determines that such proposed deviation do not ensure substantially equal performance, the contractor shall comply with the standards specified in the documents.
3. TECHNICAL SPECIFICATION FOR ELECTRICAL WORK

SCOPE
This specification covers supply of materials, fabrication, and erection, testing and commissioning of Electrical system as per BOQ. Applicable provisions and conditions of contract shall govern the work under the Section.
GENERAL
The power supply system in the building & retail outlet stations shall be made available at 415/240 Volts, 50 Hz., A.C. 3 phase 4 wire, earthed neutral from local Electric Supply Authority.
All supply and installation work shall be carried out as per specification and in accordance with the construction drawings and shall conform to requirements called for in the Indian Electricity Rules 1956 with its latest amendment, Indian Electricity Acts and all relevant codes and practices issued by the Bureau of Indian Standard as amended up to date. The work shall also comply with the provisions of the general or local set of legislatures and regulations of any local or other statutory authority which may be applicable.
The Contractor for electrical work must possess valid Electrical contractor's License endorsed by the Licensing Board, Directorate of Electricity of concerned State Government for the type of work he shall execute.
The work to be provided for by the Contractor, unless otherwise specified, shall include but not limited to the following :
i: Furnish all labour, supervision, services, materials, supports, scaffolds, construction equipment, tools, plants and transportation etc required for the proper execution of the job as per drawings, specification and schedule of items and get all necessary tests on materials and work conducted at their cost.
ii: Not withstanding the electrical layout shown in the drawing, the contractor shall obtain further approval of the layout at site from the Consultant / Engineer in Charge before commencement of the work.
iii: Furnish samples of materials on display board at site for approval including arranging necessary tests on samples, as directed by the Consultant / Engineer in Charge in an approved Laboratory.
iv: To extend facilities to the Consultant / Engineer in Charge to inspect work and assist them to obtain samples, if they so desire.
v: Furnish general arrangement drawings of the switchboard and other fabrication items, which the Consultant / Engineer in Charge may direct for their approval.
vi: To employ a full time experienced supervisor having electrical supervisor's certificate of competency endorsed by the Licensing Board, Directorate of Electricity of concerned State to supervise the work. The Consultant / Engineer in Charge have the right to stop the work if the contractor's supervisor is not present when the work is being carried out.
vii: To keep the appropriate Electrical Inspector & supply authority be informed from time to time as per the execution programme of the work shall be the responsibility of the contractor and he shall be responsible to ensuring that all work passes their approval.
viii: To provide all incidental items not shown or specified in particular but necessary for proper execution of works in accordance with the drawing, specification and schedule of items.
ix: To maintain the work and keep them maintained till handed over to the owner in proper working condition.
x: Co ordinate with all agencies including those engaged by the owner for proper execution of the job.
MATERIALS
Materials shall be of the approved make & quality. A list of materials of approved brand and manufacturer is indicated in the annexure. If the list of materials mentioned above stipulates two or more or alternative brands/makes of any product, the decision as to which brand/make shall be used in the work shall be taken by the Consultant/ Employer and the contractor shall provide the brand/make so selected without any extra cost.
In case, materials are required to be obtained from any manufacturer other than those listed on account of non availability then prior approval from Consultant will be necessary, supported by relevant test certificates qualifying the required standard. Further tests as directed by the Consultant shall also be carried out by the contractor at their own cost, if required.
Contractor shall obtain approval from the Consultant/ Employer of sample of all materials before placing order and the approved sample shall be carefully preserved on the display board in an appropriate manner at the site office for verification by the Consultant/ Employer.
For standard bought out items, the sizes manufactured by the firms listed shall prevail when there is discrepancy in the sizes mentioned in the schedule without any financial adjustment.
SPECIFICATIONS
Unless specifically mentioned otherwise, all applicable codes and standards published by the Bureau of Indian Standard and all other such publication as may be published by them after construction work starts, shall govern in respect of design, workmanship, quality and properties of material and method of testing.
SAFETY
All equipment shall be complete with approved safety devices wherever a potential hazard to personnel exists and with provision for safe access of personnel to and around equipment for operation and maintenance functions.
Special care shall be taken to ensure against entry of rats, lizards and other creeping reptiles which may create electrical short circuit inside live equipment.
DRAWINGS
On completion of all work the contractor shall furnish three copies of Ammonia print along with the original tracing of the following “As built” drawings to the Consultant without any extra cost.
I: Wiring diagram for final power / lighting distribution system showing the rating/ size of switchgear, cables, conduits, lighting fixtures and all accessories for individual installation.
ii Detailed general arrangement drawings of the switchboard complete with dimension in metric units.
iii Drawings showing the route of conduits and cables with sizes, lengths, sources and destination of all cables with the circuit designation number, etc.
iv Drawings showing the balancing of phases with connected load in each circuits, etc.
TEST CERTIFICATES AND INSTRUCTIONS
Unless specifically mentioned otherwise, the contractor shall furnish, in duplicate, Manufacturer's Test Certificate with the delivery of the equipment to the Consultant and Instruction Manual in English for operations and maintenance of equipment wherever required.
TESTING AND COMMISSIONING
Before each field test, the contractor shall obtain the permission from the site engineer and all tests shall be conducted in the presence of duly authorised representative. Records of each test shall be prepared immediately after the test and this record shall be signed by contractor's representative conducting the test and the site engineer attending the test. Copies of their record in quadruplicate shall be handed over to the Consultant/ Engineer in Charge.
A certificate in quadruplicate shall be furnished by the contractor countersigned by the certified supervisor under whose direct supervision the installation was carried out and the owner's site engineer. This certificate shall be in the prescribed forms in addition to the test certificate required by the Local Electric Supply Authorities. Recommended completion certificate’s Format is given in Appendix 'A'.
COMPLETION OF WORK
Each item of the electrical work shall be considered as complete in all respects only after obtaining permanent service connection from local power supply authority, energising, testing and final commissioning of the complete installation as directed by the Consultant/Engineer in Charge.
Payment on each item of electrical work shall be made as per measurement and proportionate to the quantum of work completed. In the event of any dispute with regard to the proportion of work complete, the decision of the Consultant/ Engineer in Charge shall be final and binding to the contractor.
PREAMBLE TO THE SCHEDULE OF WORK
The successful tenderer shall carefully go through the Clauses of Invitation to Tender, Specification, Schedule of Work and drawings and shall include in his rates any sum he may consider necessary to cover the fulfillment of the various clauses contained therein. Unit prices stated in the schedule of work against the item of work shall be inclusive of all installation, accessories and consumables necessary to complete the said work within the contemplation of the contract. Beyond the unit prices no extra amount will be paid for incidental contingent work and materials.
The quantities mentioned in the schedule of work are probable quantities and it must be clearly understood that the contract is not a lump sum contract, that the probable quantities, the value of the entire tender are only indicative and Employer does not in any way assure the tenderer or guarantee that the actual quantity of work would correspond to the probable quantities in the tender.
No change in unit rate will be admissible on any variation of quantity.

TECHNICAL SPECIFICATION FOR WIRING SYSTEM
SCOPE
This specification covers supply of materials, erection and commissioning of distribution wiring, connection to distribution boards, cable laying, earthing and miscellaneous items. Applicable provisions and conditions of contract shall govern the work under the section.
GENERAL
Work to be provided for by the Contractor, unless otherwise specified, shall include but not be limited to the following:
i: Furnishing of labour, materials, supports, scaffolds, transportation, etc required for the work.
ii: To provide all incidental items not shown or specified in particular but reasonably be implied or necessary for successful completion of the work in connection with the drawings, specification and schedule of items.
iii: To provide all supervision for proper execution of the work.
iv: To conduct and bear all costs in respect of any test advised.
After completion of supply and installation of wiring system and earthing, if any defect in the material or workmanship is found by the Consultant / Engineer in Charge, the contractor shall remove the same and supply better and approved materials at his own cost.
All precaution against theft and fire shall also be taken by the contractor.
MATERIALS
All materials used in the work shall be ISI approved quality and in its absence conforming to the IS Specification.
WIRING SYSTEM
The electric load of all lights, power outlets, etc. shall be balanced across the three phases.
Generally the final loading of any sub circuit for lights and fans shall not exceed 800 watts and shall not be connected to more than total 10 fans, lights, socket outlets, etc. Bell push if operated at low voltage shall be fed from a separate circuit of distribution board.
The 16 Amps sub circuit for power shall be connected to a maximum one 16 Amp. socket outlet or two 6 Amp. socket outlets.
A power circuit shall always be originating from a distribution board or MCB DB and the same shall run in a separate con­duit.
The point wiring shall mean wiring from one way of distribution board to point of utilisation of electricity i.e. where the load is applied and this shall include complete wiring from distribution board, supply and fixing of switch board, controlling switches, ceiling rose, batten holder and socket outlet, etc.
Insulated or covered earthing conductors where used, shall have green insulation braiding or covering as appropriate. Under no circumstances shall the colour green be used for other than earthing conductor. In addition where it is required, cables of different colours be used. For identification purposes the following system shall be employed :



Red or any colour (other than black or green)

For phase or switch wire

Black

For Neutral

Green

For earth



Unless otherwise mentioned in the schedule of quantities, single way porcelain/ bakelite terminal connectors with nickel plated brass inserts and screws to suit the conductor size shall be used for intermediate wiring/ joints in junction boxes and in switch boards or by any other method approved by the Consultant/ Engineer in Charge.
Distribution wiring in conduit to light, fan, plug points etc.shall be done in looping in system. In this system, no joints or connections shall be made anywhere of the system except at terminating points such as, at terminals of switches, ceiling roses, etc. and in case of socket outlets, at the socket terminals. Intermediate wiring joints of neutral wire in junction boxes will not be permitted.
In the looping back system of wiring on hard wood batten, the wiring shall be done without any junction or connector boxes on the line. All intermediate joints or connections shall be made in the switch board only. Intermediate wiring joints of neutral wire in the junction box will not be permitted.
CONDUIT WIRING
All conduit shall be ISI marked and finished with galvanised or stove enamelled surface. All conduit accessories shall be con­forming to IS:2667-1988 and be threaded type. Conduit less than 20mm in diameter shall not be used. All conduits shall be 1.4 to 1.8 mm thickness below 32 mm dia. and 1.6 to 2.2 mm thickness for 32 mm dia. and above.

The conduit for each circuit shall be erected complete with necessary bushes before drawing in of any wire. Galvanised M.S. Spacer of 3 mm thick minimum shall be used between the conduit saddle and fixing surface. The saddle shall be fixed at an interval of not more than 750 mm apart for vertical run and 600 mm apart for horizontal run.
The joint in conduits shall be made by means of threaded couplers and threaded accessories only to ensure electrical continuity throughout. All pipes after cutting, the threading shall be carefully reemed out with special reamer to remove any burr and then painted immediately with an anti corrosive preservative after removing all traces of oil or grease. Junction boxes shall be provided with gasketed covers to render them dust and damp proof. The conduit accessories having pull outlet for conductors shall only be used in all conduit installation.
Where specified, P.V.C. conduit conforming to IS: 7537 (Part-III) shall be used. The thickness of P.V.C.conduit shall be adequate to withstand mechanical inju­ries. PVC conduit accessories conforming to IS: 3419 1976 shall be used along with P V C conduit.
The entire conduit system shall be effectively earthed by means of suitable earthing conductors and the resistance from any point to earth shall not be more than one OHM.
After installation of conduit pipes and fittings are completed in all respects, the exposed outer surfaces of the conduit and accessories shall be painted with two coats of approved enamel paints or aluminium paint over a coat of red oxide primer as required to match the surrounding wall finishing. To protect against rust the bare thread portion shall be painted with anti corrosive preservative.
CONCEALED WIRING
This system of wiring shall comply with all the requirements of surface conduit wiring system specified in Causes 5.1 to 5.6 in addition to the follow­ing points:
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