TECHNICAL SPECIFICATIONS

OF GAS PIPELINE WORK

FORNITROGEN, LPG, COMPRESSED AIR & STEAM

1.0 SCOPE OF WORK

The scope of work includes design, supply, installation/ erection, testing & successful commissioning and handing over to CDRI the complete Gas Pipeline Work for Nitrogen, LPG, Compressed Air and Steam on item rate contract.

The work shall be executed as per CPWD specifications and other applicable specifications.

These specifications shall be read in conjunction with the General Conditions of Contract & Additional Conditions of Contract.

Power supply of 3 phase, 415 Volts, 50 Hz, AC shall be provided at one point by EPI / CDRI for group testing & commissioning of complete Gas Pipeline Work for Nitrogen, LPG, Compressed Air and Steam system after erection is completed. However, the contractor shall make his own arrangements for power required during construction, fabrication, erection & trial run etc.

1.1 LOCATION / BUILDINGS WHERE GAS SERVICES ARE TO BE PROVIDED

Gas services (Nitrogen, LPG, Compressed Air and Steam) are to be provided in North & South Wing of Chemical, Preclinical and Biological Labs, as per the table given below ;

Gases Chemical Labs Preclinical Labs Biological LabsNitrogen Provided in all labs Provided in all labs Provided in all labsLPG Provided in all labs Provided in all labs Provided in all labsCompressed Air Provided in all labs Provided in all labs Provided in all labsSteam Provided in three

type of labs Not required Not required

- Steam is to be provided in three types of Chemical labs namely;a) Medical Chemistry labsb) Central Chemical Library labsc) Natural Product Chemistry labs

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1.2 BATTERY LIMITS

(a) Nitrogen & LPG

From outlet of source (Nitrogen Cylinder Bank /LPG Cylinder Bank) located at one side of lab to final termination in each lab at four outlets. The scope also includes installation of Nitrogen Cylinder Bank & LPG Cylinder Bank. However, Nitrogen / LPG cylinders shall be provided by CDRI / EPI.

(b) Compressed Air

From outlet of source (Compressed Air) located in between North & South wing of lab to final termination in each labs at four outlets. The scope also includes installation of compressor (1 working + 1 Standby) with all accessories, for each type of labs.

(c) Steam

From outlet of source (Steam generator / Boiler) located near Chemical labs to final termination in only three types of Chemical labs ( namely Medical Chemistry labs, Central Chemical Library labs and Natural Product Chemistry labs ) at four outlets.

However, the source i.e. Steam generator / Boiler for Steam shall be in the scope of other contractor.

2.0 GENERAL GUIDELINES FOR PIPING

* Piping layout is dictated by the relative locations of connecting* Adequate number of drain and vents shall be provided as per the system / layout & pid

requirements* Valves shall be located and oriented such a way that these are easily accessible for

operation and maintenance.* While providing openings in floor/walls for pipe crossing due care shall be taken for the pipe

thermal movement and insulation thickness.

Corrosion AllowanceThe following minimum allowance for corrosion of pipings shall be provided for surfaces to be contacted with service fluid. The detail shall be in accordance with Engineering Specification H-103 "Piping Materials".

(1) Carbon steel : 1.0mm

(2) Low alloy steel : 1.0mm

(3) High alloy steel (Stainless Steel, etc.) : 0mm)

(4) Non-ferrous material : 0mm

(5) Non-metallic material : 0mm

Nominal Size of Pipings

Minimum size of pipings shall be NPS 15 nb, unless otherwise noted.

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2.1 PIPING COMPONENTS

2.1.1 Pipes

For straight run portions of piping systems, pipes shall be applied.2.1.2 Elbows, Bends and Miters

(1) Change in direction of piping systems shall be made with elbows, bends or miters.

(3) When bend is applied, the material specification shall be as same as pipe. The bend radius shall be reasonably decided considering reduction of the thickness.

(4) Miters fabricated from pipes may be applied under following conditions. In this case, a maximum angle between adjacent miter axes shall be 22.5 degree.

(a) 10 kgf/cm2G [1 MPa (gauge) ] and under, for temperature upto 200°C.

(b) 7 kgf/cm2G [0.7 MPa (gauge)] and under, for temperature above 200°C upto 260°C.

(5) Long radius elbows shall generally be used for piping for NPS 2 and over, except where design requirements dictate the application of short radius elbows.

2.1.3 Reducers

(1) Change in piping sizes shall be made with reducers.

(2) Reducer shall generally be of concentric type except on Pipe Rack or wherever specified.

2.1.4 Branch Connections

(1) Branch connection of pipings shall be made with branch materials (components) such as smooth or fabricated tees, half-couplings, welding outlets, etc, or welded pipe-to-pipe connection.

(2) If wall thickness of pipe is insufficient to sustain the pressure and thermal stress in case that welded pipe-to-pipe branch connection is applied, a reinforcement pad shall be provided at the nozzle weld portion.

(3) When welded pipe-to-pipe branch connection is applied, pipings shall be designed so that the angle of intersection between the branch and the run (header) is not less than 45 degree.

2.1.5 Flanges

Flanges shall be applied for piping connections at flanged equipment nozzles and in-line piping elements such as valves, strainer, instruments, etc. However, as an exception, flanges shall also be provided for following cases:

(1) Where frequent dismantling of piping is required.

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(2) Where plastics, non-metallic, cast iron or lining piping systems can not be welded or otherwise jointed except by flanges.

(3) Where mentioned in P & ID for every change of direction for chemical cleaning.

2.1.6 Valves

(1) Valves shall be provided according to P&I and for isolation of piping system, flow control, etc.

(2) Type of valves to be applied shall be in accordance with P&I

(3) Valves shall be installed on the place considering the operability.

2.1.7 End Closures

Piping ends shall be closed with plugs, caps or blind flanges.

2..1.8 Blanks

Blanks shall be provided to the extent as shown on P&I in order to realize complete isolation of piping systems.

2.1.9 Strainers

Strainers shall be provided to the extent as shown on P&I.

2.1.10 Connection of Piping

(1) Pipings shall generally be connected in the following manner.

(a) For pipings of NPS 2 and over, piping materials (components) shall be welded each other directly.

(b) For pipings of NPS 1 1/2 and under, socket welded or screwed type components shall be applied for the connection.

(2) Seal welding shall generally be applied to all the screwed connections except where frequent opening is required.

2.1.11 Material Specification Change

When a piping is connected to another piping of different material specification (material, pressure rating, etc) the class break shall generally be accomplished at the valve or the flanged joint.

(1) As a rule, the valve or the flanged joint shall be included in the higher material specification between the two, unless otherwise indicated on the P&I.

(2) Dissimilar welding shall be avoided as far as possible.

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2.1.12 Insulation for Pipings

(1) Application of insulation for pipings shall conform to indication on the “Line Schedule”.

(2) Material and thickness of insulation to be applied shall be in accordance with Engineering Specification L-101 "Thermal Insulation Design".

2.2 DESIGN OF PIPING SYSTEMS

2.2.1 Piping Route

Piping shall be routed for the shortest possible run with minimum number of fittings consistent with provision for expansion and flexibility. The assembly, removal and support of pipings and equipment shall also be taken into consideration.

2.2.2 Allocation of Pipings

(1) All pipings in plant, except drain pipings, sewer pipings and other special use pipings, shall be grouped on overhead piperacks. Pipings that can not be allocated on overhead piperacks physically shall be run on sleepers or in pipe trenches with following considerations.

2.2.3 Side Clearances of Pipes

(1) To permit ready access for the removal and/or maintenance of a pipings, a minimum side clearance of 25 mm shall be provided between pipings. Thermal movements, thickness of insulation to be applied and the maximum diameter of flanges shall be considered in determining allocation of pipings with side clearances. Space for the connection of instrument piping/tubing to in-line instruments shall also be considered.

(2) A minimum side clearance between piping and structure shall be 50mm

2.2.4 Installation of Valves

(1) Valves shall generally be installed in horizontal piping with upward handle direction. However, when the valve installation is not reasonable by some reasons such as space limitation in piping arrangement, operability of the valves etc., valves shall be installed in vertical piping.

(2) Valve stem shall generally not be directed downward against horizontal line.

(3) The minimum clearance between valve handwheels shall generally be 100mm. However, small size valves of NPS 1 1/2 and under may be installed so that the minimum clearance between their handwheels is 50mm.

2.2.5 Steam and Utility Gas Piping Systems

(1) Branch lines from headers of steam and utility gases (such as instrument air, plant air, nitrogen etc) shall generally be taken from the top of the header.

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(2) Steam traps shall be provided to the extent required for operation as shown in the P&I and shall generally be provided for each drain pocket of steam pipings other than super-heated.

2.3 Pump Pipings

2.3.1 General

(1) Piping around pumps shall be arranged so that ready operation and maintenance is realized with keeping necessary space.

(2) Draining of suction and discharge piping can be accomplished through a drain port of pump casing, as far as possible. If it is impracticable due to the piping figure or other reasons, drain connection shall be provided at the lowest point of the piping.

2.3.2 Suction Pipings

(1) Pump suction pipings shall be arranged to minimize pressure drop and to avoid pockets.

(2) Where size adjustment is required between the connection piping and pump nozzle, a reducer shall be applied as follows:

(a) The reducer shall be located close to pump nozzle.

(b) Type of reducer shall generally be of eccentric with top flat use except for special services such as slurry.

(3) Where the P&I instructs, strainers shall be installed in pump suction pipings.

2.3.3 Discharge Pipings

(1) The discharge piping shall have a check valve between the pump nozzle and a block valve.

(2) Care shall be taken for the arrangement of discharge pipings so as not to disturb the maintenance works of pumps and their drivers.

2.3.4 Compressor Pipings

(1) Pipings connecting to centrifugal compressors shall be so supported that the nozzle alignment work can be carried out easily.

(2) Suction and discharge pipings connecting to reciprocating compressors shall be arranged at grade around the compressor.

(3) Where dismantling of pipings are required for maintenance of the compressor, flanged joints shall be provided in these pipings.

(4) Where the P&I instructs, strainers shall be provided in suction pipings.

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2.4 SITE LAYOUT

2.4.1 Unloading and Loading Facilities

Unloading and loading facilities should be located in the edge of the site near the point of entry (i.e. near the rail spur or pier).

2.4.2 Utility Facilities

Supply facilities of utilities, that is, steam, water, air, electricity, etc should be located near process main unit as much as possible keeping adequate safety requirements.

2.5 Compressors

2.5.1 Compressors should be ground mounted with piping and auxiliaries arranged for convenient access and maintenance except following cases:

(1) When piping connection nozzles are arranged in bottom side of the compressors, the compressors may be elevated sufficiently to permit piping and auxiliaries to be located below operating platform.

(2) When the compressor is steam turbine driven with the steam condenser, the compressor may be elevated sufficiently to install the steam condenser under the steam turbine.

2.5.2 For maintenance of compressors and their auxiliaries, either a bridge or gantry crane or unobstructed access for a mobile crane shall be planned to permit easy removal of each components of the compressors and auxiliary unit (oil console, etc.).

2.5.3 Based on the climatic conditions, necessity of shelters shall be considered for protection of equipment and operator. The shelters shall be designed to secure enough space for maintenance and operation.

2.6 SAFETY DISTANCE

Followings are general requirements concerning safety distance of plant facilities. If applicable safety code requirements are more severe, the code requirements shall govern.

(1) Pumps and compressors handling flammable materials, which are expected to leak shall be located a minimum 15 m away from fired equipment. Other than pumps and compressors, the distance may be reduced to a minimum 8 m.

(2) Equipment such as towers, vessels taller than the end points of the fire stack should not be located within 50 m radius of such discharge ends.

(3) Equipment and pipings handling flammable materials shall not be placed within 15 m of building such as control room, switch room etc.

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(4) Oxygen manufacturing unit, if any, shall be away 10 m or more from equipment handling flammable materials.

(5) Large electrical equipment such as switch gears, should not be placed in hazardous area. Classification and spacing requirements concerning the hazardous area shall be in accordance with applicable codes.

GENERAL NOTE :

1. Pipe spacing in the Table is calculated on the following conditions.a) Pipe sizes are based on JIS or ANSI (larger one).b) Flanges are of 300 class of JPI, ANSI or API. They should not be placed side-by-side.c) Clearances between one pipe and another :

2. In general Table A is to be used and Table B is only for special cases.

3. For hot or cold insulated line, add its insulation thickness.

4. Table - A should be corrected at application when flange classes other than that specified above are used, piping movement by thermal expansion are expected, special shape of instrument is installed in the line, piping is likely subject to vibration high pressure line and / or special pipe-hanging attachment is installed.

Table for corrective value

Pipe spacing in the Table - A are based on 300 class of JPI, ANSI, API flanges (For 22B, class 300 of MSS). Pipe spacings for the flanges other than above are obtained by using the Table for Corrective Value.

In obtaining corrective value, use nominal pipe size of the pipe to which the flange is attached.

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2.7 All 90 deg elbows shall be long radius. If impractical, the application of short radius elbows shall be clarified

2.7.1 Piping route

(1) Piping shall be routed such that the optimum piping layout is achieved in terms of process requirements, ergonomics, operation, inspection and maintenance. Having considered these factores, the number of flanges, fittings, valves and welds shall be minimised.

2.8 Steam trap piping

2.8.1 Consideration

a. Steam traps should be located at a lower level than driplegs or equipment to be drained.

b. Lines from driplegs to steam traps shall have no drain pocket and no riser for gravity flow.

c. Steam traps shall be located such that they are easy to maintain and replace, but not to obstruct accessiblity.

2.8.2 Typical arrangement of steam trap

a. Exhaust-to-atmosphere typeA block valve and a block-valved bypass should be installed at upstream of the trap. (Fig.4.3.5(2)-a)

9 (Header)

2.9 Air piping

2.9.1 General

(1) Air supply sub-header branched from network header should be provided to air user areas. Piping size shall be considered based on the header arrangement. The procedure to finalize the piping size shall be confirmed with CDRI / EPI at job execution stage.

(2) Branches shall be taken from the top of air supply header to prevent carryover condensed moisture.

(3) Air injection line to process lines shall have a block valve, 　 a check valve and a NPS 3/4 bleeder at the close location of the injection point in accordance with P&ID. The block valve shall be located between a check valve and a process line and a bleeder shall be located between two valves which are easily accessible for operation.

(4) Isolation valve shall be provided in horizontal at the taken-off point of header in accordance with PID.

(5) Air trap shall be provided on header line in accordance with PID.

3.0 TESTING AND COMMISSIONING

a) The gas pipelines for Nitrogen, LPG, Compressed Air and Steam shall be commissioned and tested at peak flow for test pressure and leakage.

The contractor shall provide all necessary equipments, gauges etc. for conducting such tests.

b) After successful commissioning of the pipelines, the contractor shall conduct performance tests on the equipment to satisfy the engineer that all the equipment perform to the rated outputs. Equipment like valves, fittings etc. shall be replaced (not repaired) if the same is not giving rated output.

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(Sewer)

Fig　4.3.5(2)-a

4.0 RUNNING-IN-PERIOD

After satisfactory final inspection as stated the contractor shall demonstrate the trouble free running of the installation for a period of not less than 10 days before CDRI takes over. The duty cycle of the plant/system during this Running-In-Period shall be 10-12 Hours. After the installation has operated for 10 days period without any breakdown or abnormal / unsatisfactory operation of during this period, the Gas Pipeline Work for Nitrogen, LPG, Compressed Air and Steam system shall be deemed to have run trouble-free. The contractor should include one year of free running maintenance after completion of 10 days of trouble free running including replacement of defective parts etc. at his own cost.

The contractor shall arrange at his own cost for all staff, fuel, POL, and other consumables during Trial run, Commissioning and Running-in-Period upto the date of acceptance. Nothing extra shall be paid on this account.

5.0 DEFECTS LIABILITY PERIOD

a) The defects liability period shall be for 12 months and the same shall start from the date of handing over to CDRI after successful commissioning and completion of the work (which shall be the day from which the gas pipeline system starts proper functioning). During this defects liability period, the contractor shall ractify all the defects like leakages etc. The contractor shall also train the personnel as deputed by the CDRI, about the method of operation and maintenance of the gas pipeline work, its functioning and control.

6.0 GUARANTEES

a) The guarantee shall cover each & every material whether manufactured by the contractor or not. The contractor shall replace the defective parts with new ones. Replaced parts shall also be covered by a similar guarantee.

b) The replaced parts shall be of genuine make and subject to approval by the EPI / CDRI.

c) The contractor shall guarantee the performance of the entire process, equipment and pipeline for a period of one year from the date of handing over to CDRI.

7.0 IDENTIFICATION OF PIPELINE FOR DIFFERENT GASES

All different gas pipelines shall be color coded for identification as per applicable standards. A color band (strap) of 100 mm width shall be provided on pipe at a distance of 6 mtrs.

8.0 DOCUMENTS TO BE SUBMITTED

8.1 DOCUMENTS TO BE SUBMITTED ALONGWITH THE BID

a) Clear scope of workb) Complete BOQ

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8.2 DOCUMENTS TO BE SUBMITTED AFTER AWARD OF WORK

a) System description, Detailed technical specifications of all Pipeline & Fittings, Operation & Control Philosophy, P&I diagram, General arrangement, Layout drawings of gas pipeline work.

b) Contractor shall submit G.A. drawings, detailed working of cut-out and openings.

c) Before commencing work, the Contractor shall prepare and submit all above drawings/documents etc. for Gas pipeline work in required nos. These drawings must be approved by the EPI/CDRI before execution of work and shall become part of the contract.

d) The Contractor shall, within 3(three) weeks of receipt of a Letter of award of contract, submit 4(four) copies of all working drawings.

e) Within 10 days of receipt of letter of award of contract, the Contractor shall obtain from the EPI/CDRI all the information he needs to prepare his design/drawings and shall have any interaction with the EPI/CDRI to finalise all parameters.

The Contractor will be responsible for any discrepancies, errors and omissions in the drawings or particulars submitted by him even if these have been approved by the EPI/CDRI.

f) On approval of these drawings (within 2 weeks of submission of full documentation), the Contractor shall submit 8(eight) copies of approved working drawings incorporating corrections / comments, if any, and shall immediately commence work.

g) On completion of work, the contractor shall supply four sets of CD’s and 8 (eight) copies of all As-built drawings, catalogues, equipment operation & maintenance manuals and spare parts list at the time of handing over of the plants.

h) The Contractor shall carry out all the work strictly in accordance with drawings, details and instructions of EPI/CDRI.

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9.0 GENERAL TECHNICAL SPECIFICATIONS OF PIPES AND FITTINGS

SERVICE　　　　　　　:　　　STEAM,NITROGEN,COMPRESSED　AIR　&　LPG　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

IT WEBTECH PIPING MATERIAL SPECIFICATION

PROJECT: 008

SERVICES:PIPE CODE : S6STEAM

NITROGEN

COMPRESSED SHEET : 01REV: 1    

LPG DATE PREP CHKD APPD  20.01.08      

DESIGN CONDITIONS PRESS. RATING : 150#TYPE OF

MATERIAL MAX. PRESSURE (kg/cm2) : 6

CORR. ALLOW. : 1.5mmSTAINLESS

STEELMAX/MIN TEMP(ºC):200 TO (-20)

ITEM DESCRIPTIONNPS (MM) RATING TYPE MATERIAL     REMARKS

PIPE PIPE15 - 40 SCH-40

SMLS ASTM A 312 TP 316L

STAINLESS STEEL

ASME B 36.1980 -

100SCH-10

JOINTS

LINE

15-40 3000#SOCKET

WELD FORGED ALLOY STEEL, ASTM A 182 GR.F 316L

ASME B 16.11

50-100SAME

AS PIPE

MSLS B.W. A 403 GRWP 316LASME 16.9

ASME B 16.25

FLANGES 15-40 150# SOCKET S.W. RF

FORGED ALLOY STEEL, ASTM A 182 GR.F 316L

ASME 16.5 MSS - SP - 83

ASME B 16.25 / 16.5

STUD BOLTS ALL SIZES -----

FULL TREAD ASTM A 193 GR.B7 ALLOY

STEEL A3.560.1

NUTS HVY.

HEX.NUTASTM A 194

GR.2H

GASKETS 25-100 150# RING FACE 3.15 mm

PTFE ENVELOPED,

NON-ASBESTOS SYNTHETIC

FIBER

G 81 ASME B 16.21

A3.425.2

FITTINGS

ELL, TEE & REDUCER

15-40 3000# SOCKET WELD

FORGED ALLOY STEEL, ASTM A 182 GR.F 316

ASME B 16.11

50-100SAME

AS PIPE

MSLS B.W. A 403 GRWP 316L ASME B 16.25

BRANCH CONN. 15-40 3000# SOCKET

WELD FORGED ALLOY STEEL,

ASTM A 182 GR.F 316

SEE BRANCH

CONN.TABLE

ITEM DESCRIPTION NPS RATING TYPE MATERIAL REMARKS

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(MM)  

 

PSV

15-25 800#SOCKET

WELD

 

A182GR.F316L/316L

40-250800#

FLANGED RAISED FACE A351GR.CFM/316L

50-250 FLANGED RAISED FACE A351GR.CFM/316L

BALL15-25

150#

SOCKET WELD A182GR.F316L/316L

40-250 FLANGED RAISED FACE A351GR.CFM/316L

NRV

15-25

150#

SOCKET WELD A182GR.F316L/316L

40-250 FLANGED RAISED FACE A351GR.CFM/316L

FLUSH BOTTOM VALVE

15-20150#

SCREWED END A182GR.F316L/316L

25-250 FLANGED RAISED FACE A351GR.CFM/316L

STRAINERS

"Y" TYPE15-20 600# SCREWED

END PT REFFER COMPONENT SPECIFICATIO

N SHEET

ST-11A

25-40 150#FLANGED

RAISED FACE

ST-12A

BUCKET50-500 150# ST-12X

NOTES :

1 LEAK TEST:

PER ASME B31.3 SECTION 345, SEE PRODUCT & SERVICE INDEX FOR TESTMEDIUM & PRESSURE

2 WELDING:

GAS TUNGSTEN ARC (GTAW), GAS METAL ARC (GMAW), SHIELDED METAL ARC (SMAW)

3 WELD EXAMINATION:

VISUAL AS PER ASME B31.3 SECTION 341.4.2

10.0 LIST OF TENDER DRAWINGS

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SR. NO. DESCRIPTION DRG. No.

1 P　&　ID　FOR　PRE　CLINICAL　LABORATORY　GROUND　FLOOR　PLAN CDRI/LKW/PID/01

2 P　&　ID　FOR　PRE　CLINICAL　LABORATORY　FIRST　FLOOR　PLAN CDRI/LKW/PID/02

3 P　&　ID　FOR　PRE　CLINICAL　LABORATORY　　SECOND　FLOOR　PLAN CDRI/LKW/PID/03

4 P　&　ID　FOR　BIOLOGICAL　LABORATORY　GROUND　FLOOR　PLAN CDRI/LKW/PID/04

5 P　&　ID　FOR　BIOLOGICAL　LABORATORY　FIRST　FLOOR　PLAN CDRI/LKW/PID/05

6 P　&　ID　FOR　BIOLOGICAL　LABORATORY　SECOND　FLOOR　PLAN CDRI/LKW/PID/06

7 P　&　ID　FOR　CHEMICAL　LABORATORY　GROUND　FLOOR　PLAN CDRI/LKW/PID/07

8 P　&　ID　FOR　CHEMICAL　LABORATORY　FIRST　FLOOR　PLAN CDRI/LKW/PID/08

9 P　&　ID　FOR　CHEMICAL　LABORATORY　SECOND　FLOOR　PLAN CDRI/LKW/PID/09

10 PRE-CLINICAL　LABORATORY　(1a)　NORTH　WING　GROUND　FLOOR　PLAN CDRI/LKW/499/All(A)-001aN　　

11 PRE-CLINICAL　LABORATORY　(1a)　SOUTH　WING　GROUND　FLOOR　PLAN CDRI/LKW/499/All(A)-001aS

12 PRE-CLINICAL　LABORATORY　(1a)　NORTH　WING　FIRST　FLOOR　PLAN CDRI/LKW/499/All(A)-002aN

13 PRE-CLINICAL　LABORATORY　(1a)　SOUTH　WING　FIRST　FLOOR　PLAN CDRI/LKW/499/All(A)-002aS

14 PRE-CLINICAL　LABORATORY　(1a)　NORTH　WING　SECOND　FLOOR　PLAN CDRI/LKW/499/All(A)-003aN

15 PRE-CLINICAL　LABORATORY　(1a)　SOUTH　WING　SECOND　FLOOR　PLAN CDRI/LKW/499/All(A)-003aS

16 BIOLOGICAL　LABORATORY　(1c)　NORTH　WING　GROUND　FLOOR　PLAN CDRI/LKW/499/All(A)-004cN

17 BIOLOGICAL　LABORATORY　(1cS)　SOUTH　WING　GROUND　FLOOR　PLAN CDRI/LKW/499/All(A)-004cS　　

18 BIOLOGICAL　LABORATORY　(1c)　NORTH　WING　FIRST　FLOOR　PLAN CDRI/LKW/499/All(A)-005cN

19 BIOLOGICAL　LABORATORY　(1cS)　SOUTH　WING　FIRST　FLOOR　PLAN CDRI/LKW/499/All(A)-005cS　　

20 BIOLOGICAL　LABORATORY　(1c)　NORTH　WING　SECOND　FLOOR　PLAN CDRI/LKW/499/All(A)-006cN

21 BIOLOGICAL　LABORATORY　(1cS)　SOUTH　WING　SECOND　FLOOR　PLAN CDRI/LKW/499/All(A)-006cS　　

22 CHEMICAL　LABORATORY　(1bN)　NORTH　WING　GROUND　FLOOR　PLAN CDRI/LKW/499/All(A)-007bN　　

23 CHEMICAL　LABORATORY　(1a)　SOUTH　WING　GROUND　FLOOR　PLAN CDRI/LKW/499/All(A)-007aS

15

SR. NO. DESCRIPTION DRG. No.

24 CHEMICAL　LABORATORY　(1bN)　NORTH　WING　FIRST　FLOOR　PLAN CDRI/LKW/499/All(A)-008bN　　

25 CHEMICAL　LABORATORY　(1a)　SOUTH　WING　FIRST　FLOOR　PLAN CDRI/LKW/499/All(A)-008aS

26 CHEMICAL　LABORATORY　(1bN)　NORTH　WING　SECOND　FLOOR　PLAN CDRI/LKW/499/All(A)-009bN　　

27 CHEMICAL　LABORATORY　(1a)　SOUTH　WING　SECOND　FLOOR　PLAN CDRI/LKW/499/All(A)-009aS

28 CHEMICAL　LABORATORY　(1bN)　PIPING　TYP　SECTION　FOR　PIPING CDRI/LKW/499/All(A)-001-TD

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11 LIST OF APPROVED MAKES

Sl No Description Make.1. Stainless Steel pipe Sandvik Havester, Rath 2. Stainless Steel elbow / Bend Made from Parent Tubes having same

Heat Number3. Stainless Steel Tee /Reducer Made from Parent Tubes having same

Heat Number4. Stainless Steel Strainer Spirax / Equivalent5. Stainless Steel Needle valve Milton Roy, Ebara, Positive.6. Stainless Steel Ball Valve Ghwa, Alfa Laval7. Triclover End Connections instead of Flange

UnionsNeela / Alfa Laval

8. Gaskets Rubberfab / Alfa Laval9. Insulation Armaflex / Equivalent.10. Steam Trap Spirax / Equivalent11. Pressure Gauge Waree / Forbes / Wika12. Temperature Gauge Waree / Forbes / Wika13. PRV Spirax / Jordan /Equivalent14. Moisture Separator Spirax / Equivalent15. Filters M Meissner / Pall

Note : Any other makes shall be subject to approval from EPI.

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