Engineering, Procurement and Construction of Civil Infrastructure and Vacuum infrastructure for establishing LIGO India Observatory at Aundha, Hingoli District, Maharashtra-431705, India, on EPC Mode-I basis

NIT No: DCSEM/CQD/QSA/LIGO-EPC/25-26/NIT/02 dtd.15.04.2025

DCSEM/CQD/QSA/LIGO-EPC/25-26/NIT/02 dtd.15.04.2025

1) The proposed site is situated in the Western part of India at Aundha, Hingoli District, Maharashtra. The site has an access from State Highway 219 (SH enroute Nanded to Hingoli). The site is at a distance of 20 kms from Hingoli town and around 65 kms from Nanded city. Tenderers are advised to visit the site of work at their own cost with prior permission of Engineer-In-Charge / authorised representative, to aquaint themselves with the nature and location of work before quoting tender.

2) All safety & security regulations shall be followed strictly as per specifications & conditions of contract.

3) The Contractor shall follow strictly the DAE safety Rules. In addition, the following security regulations shall be followed strictly while movement of labourers / workers / contractor's personnel etc.

23) Refer Prebid minutes of meeting & corrigendums for revisions, if any.

3.2) The supervisor of contractor having photo pass shall bring daily wages workers/ casual workers inside premises for work. He should prepare the list of such workers in duplicate. The original copy shall be handed over to the security or representative of the Engineer-In-Charge at the gate and obtain endorsement on duplicate copy on a daily basis.

3.3) The contractor's personnel including daily wage workers shall be in uniform with proper identification for ease in identification of such persons at unauthorised places.

3.4) The contractor shall provide sleeveless Jackets (flourescent) to the workers in required pattern/colour showing name of contractor with address and telephone number as approved by the EIC. All the workers must wear the same while on duty.

3.5) You shall follow all safety rules & security procedure that are in vogue and applicable during execution of work. You are requested to verify the character and antecedents of the labourers employed by you, through local address proof issued by competent authorities such as ration card, driving license, electricity bills, telephone bill, gas connection document etc. The nationality of contract labourers also needs due verification.

3.6) You are requested to obtain immediately Police Verification Certificate (PVC) of your regular staff deployed at site(s) in respect of works and submit the same along with necessary application to allow them to enter in premises to carry out the assigned work.

4) Contractor shall take Contractor’s All Risk (CAR) Insurance Policy in respect of entire scope of work for entire period of contract and copy of the same shall be submitted to the EIC before commencement of the work. The insurance policy shall be taken before commencement of the work and shall be renewed during the construction period till actual completion of work. The charges for issue & renewal of insurance policy shall be borne by Contractor. In event of failure of the Contractor to obtain CAR Insurance Policy, Running Account Payments of the Contractor shall be withheld till such time the same is obtained by the Contractor & submiited to the EIC. In case, CAR Insurance Policy has validity period not matching with contract period (either due to policy start date later than actual date of start of work or policy end date earlier than actual date of completion), then penalty for gap in period shall be levied at one and half times the rate of Insurance Policy premium including GST, to be computed on per day basis.

5) The workers engaged on the work shall required to be insured as per Government norms at the cost of contractor.

6) No Running accounts bill shall be paid for the work till the applicable labour license, registration with EPFO, ESIC and BOCW (Building and Other Construction Workers) Welfare Board, whatever applicable, shall are submitted by the Contractor to the EIC.

7) Quoted amount shall hold good for plain / curved /any other geometric shape & size of all structural / RCC member including formworks, masonry, flooring, doors & Windows, plastering, painting etc. at all heights, locations leads, levels, lifts and floors .

8) All the items of sub-structure include the cost of dewatering and shoring wherever necessary during the progress of work, till its completion without any extra cost to the department.

9) Contractor has to make his own arrangement for water & Electricity required for work at his own cost. The statutory clearance (if any) shall be obtained by contractor at his own cost.

10) Shop drawings for Aluminium work, structural steel, Stainless steel etc. shall be submitted by agency in advance for the approval prior

to taking of work.

11) Only Ready Mix Mortar of approved make shall be used. The ready mix mortar shall be manufactured by approved manufacturers, using cement sand in required proportion.

12) PPC / Blended cement of recommended brand shall only be used for all masonry and finishing works unless otherwise specified.

13) Fully treated dry, well graded sand conforming to IS 383 shall be used.

14) Contractor has to make his own arrangements for regulating the traffic on the surrounding roads by putting up necessary Road Sign boards for diversion, Men at work, Danger, Work in Progress, Diversion / change of directions etc. at his own cost during execution of work as directed by the Department.

15) While transporting materials from site and disposal of surplus materials, the spilled over materials / earth / debris etc. on the road should be got cleaned by the Contractor after the day's work is over.

16) Regarding disposal of Construction waste from site of work, the agency has to abide by the guidelines of Construction and Demolition (C&D) waste management plan as approved by Local Municipal authority and any other regulations issued by statutory authorities in the matter from time to time and Deparment is not responsible in any way in this regard.

16.1) Royalty for excavation, transportation, filling of earthwork etc. including obtaining permission from statutory authority shall be borne by the contractor.

16.2) Contractor shall strictly follow the statutory rules and regulations of the Construction and Demolition (C&D) Debris Management Plan of Local Municipal authority for project site.

16.3) Surplus Excavated materials and construction debris from construction site shall be disposed at approved disposal ground of Local Municipal authority including cost of necessary statutory charges, applicable.

16.4) Contractor shall submit acknowledgement of challan for each trip for unloading of Construction and Demolition waste material.

16.5) Contractor shall be responsible and liable for penalty, if any, as prescribed by the Local Authority in case of non-fulfilment of the procedure laid down in the Construction and Demolition (C&D) Debris Management Plan.

16.6) Contractor shall submit irrevocable Bank Guarantee for the amount as insisted by Local Municipal authority for the purpose of ensuing compliance of the Waste Management Plan/Debris Management Plan approved by the Local Municipal authority from time to time, till the grant /issuance of the occupation certificate and charges for same will be borne by Contractor. NOC from C&D Waste Management Department of Local Municipal authority shall be submitted by the agency after submission of Bank Guarantee.

NIT No: DCSEM/CQD/QSA/LIGO-EPC/25-26/NIT/02 dtd.15.04.2025

17) Suitable area near site of work shall be allocated to the contractor for storing construction materials, site office etc. Optimum care shall be taken by the contractor to avoid disturbing the traffic and road around the site etc.

19) Agency should pay necessary charges to Local municipal authority periodically to get done pest control / anti-larva treatment at Construction site. After the completion of work, necessary NOC shall be obtained from Local municipal authority and shall be submitted to Department. The charges for same will be borne by Contractor.

20) The EPC contractor shall plan, design and execute the various civil infrastructure works (Civil, PH, Electrical, Mechanical and HVAC) complying defined interface with vacuum infrastructure works, to achieve the desired and intended outcome from the facility.

21) The work will be managed and supervised by Project Management Consultancy (PMC) agency and department staff. The EPC contractor make a note of it and shall follow the instructions issued by PMC agency & department staff during planning & execution of EPC work.

22) The quoted rates shall be inclusive of all Taxes, GST, Cess, Levy etc.

Select, Excess (+), Less (-) Less (-)

Tender Inviting Authority: Chief Engineer (CCG)

Name of Work: Engineering, Procurement and Construction of Civil Infrastructure and Vacuum infrastructure for establishing LIGO India Observatory at Aundha, Hingoli District, Maharashtra-431705, India, on EPC Mode-I basis

NIT No: DCSEM/CQD/QSA/LIGO-EPC/25-26/NIT/02 dtd.15.04.2025

Name of the Bidder/ Bidding Firm / Company :

Sl. No. Item Description Item Code / Make Quantity Units Estimated Rate Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category TOTAL AMOUNT With Taxes TOTAL AMOUNT With Taxes TOTAL AMOUNT In Words

1 Important Notes: - 1. The work shall be carried out and necessary clearances to be obtained, strictly in accordance with requirements and other notifications published by the Statutory authorities from time to time. 2. The quoted rates shall be inclusive of all Taxes, GST, Cess, Levy etc. 3. The payment schedule is attached in tender documents and will be paid on percentage basis of work order amount. 4. The agency has to arrange necessary electricity and water required for work at his own cost inclusing statutory clearance. (if any) 5. Agency shall follow standard guidelines including safety rules and security procedures of department that are in vogue and applicable during execution of work. 6. For detailed scope of work, please refer the tender document. 1 Construction of chamber for 100mm sluices valve item1 10 1 Nos

2 Engineering, Procurement and Construction of Civil Infrastructure and Vacuum Infrastructure for establishing LIGO Observatory at Aundha, Hingoli District, Maharashtra-431705, India, on EPC Mode-I basis. 1 Job Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

2.1 18) Labour may be permitted to stay inside campus / at site on written request by the contractor. The labour camp inside the campus is permitted subject to the following conditions: i) The contractor shall submit detailed layout plan of labour camp showing number of hutments including, provision of water, electricity and drainage details etc. for prior approval of the Engineer in Charge. ii) The contractor to follow relevant labour welfare measures and other labour laws in force from time to time. iii) The labour staying inside shall be issued Identity cards by the contractor. iv) All cost shall be borne by the contractor. 2 Construction of chamber for 100mm sluices valve item3 10 Nos

2.2 For Vaccum Infrastructure:- Engineering Procurement and Construction of Vacuum Infrastructure work including detailed design, manufacturing drawings, fabrication, supply of bought out equipments along with vacuum control and monitoring system (VCMS), Installation, integration and commissioning at work site, demonstrating integrated operational performance of vacuum infrastructure in compliance with the specifications detailed in tender document and as instructed and directed by the Engineer-In-Charge. The brief details of vacuum infrastructure are provided in Annexure-II (Vacuum Infrastructure). 3 Supplying, Conveying and fixing spls. Including ea item4 10 Nos

Total in Figures 4 Construction of chamber for 100mm sluice plates item5 10 Nos

Quoted Rate in Figures Select

Quoted Rate in Words

Name of Work: Engineering, Procurement and Construction of Civil Infrastructure and Vacuum infrastructure for establishing LIGO India Observatory at Aundha, Hingoli District, Maharashtra-431705, India, on EPC Mode-I basis

Name of Work: Engineering, Procurement and Construction of Civil Infrastructure and Vacuum infrastructure for establishing LIGO India Observatory at Aundha, Hingoli District, Maharashtra-431705, India, on EPC Mode-I basis

Name of Work: Engineering, Procurement and Construction of Civil Infrastructure and Vacuum infrastructure for establishing LIGO India Observatory at Aundha, Hingoli District, Maharashtra-431705, India, on EPC Mode-I basis

DCSEM/CQD/QSA/LIGO-EPC/25-26/NIT/02 dtd.15.04.2025

Annexure-II (Vaccum Infrastructure)

Sr No. Equipment Nos.

Vacuum Equipment - Fabricated (VEF) lot comprises of following items and corresponding numbers.

1 Basic Symmetric Chambers (BSC) with its support structure (Wall thickness - 6 / 12 mm; volume - 27 cum; Surface area - 52 sqm) 5

2 Horizontal Access Module (HAM) with its support structure (Wall thickness - 12 mm; volume - 10 cum; Surface area - 27 sqm) 8

3 Mode Cleaner Tube (MC Tube) with its support structure (Wall thickness - 6 mm; volume - 25 cum; Surface area - 45 sqm) 4

4 Spool with its support structure (volume of Spool and Adapters in - Corner Station - 175 cum Each End Station - 10 cum Surface area of Spool and Adapters in - Corner Station - 400 sqm Each End Station - 25 sqm 18

5 Adapter with its support structure (Details of volume and surface area refer Sr no.4 above) 10

6 Septum plate 2

7 80K Cryopump with its support structure and - LN2 Tank (1 lakh litre) with vaporiser and support - LN2 Cryoline connecting tank & pump 4 sets

8 Beam Tubes, Baffles and Expansion joints(Bellows) with its support structure - - Beam tubes installation is 4 km each in length in perpendicular directions (X & Y) (Internal Dia - 1240 mm; wall thickness - 3.2 mm; volume of each 4 km arm length - 9552 cum; Surface Area - 30717 sqm. - BT layout comprises of @ 800/400 Beam tube sections. For ease of transportation and site installation BT length is made up of BT sections ~ 10 / 20 m long respectively. -200 Bellows - ID 1240 mm; wall thickness, 2.5 mm; L- 635 mm. -426 Baffles ~ wall thickness -~ 1 mm; OD - 1240 mm; ID 1070 mm (in total 8 km Beam tube length) Set

8.1 Each 4 km length of Beam Tube shall be baked by electric heating (I^2R) by arranging specific set of power supplies during initial vacuum pump-down. During baking entire length of Beam Tube shall be covered with jacket made up of suitable material for thermal insulation. 1 set for 4 km length of Beam Tube

9 Filter Cavity (FC) beam tube with its support structure - - Filter cavity beam tube installation is 303.27m in length along X arm of beam tube. Size - 250 NB 1 no.

9.1 During Initial vacuum pump-down Filter Cavity will be baked by wrapping Insulated heaters along its entire length. Arrangement of suitable heaters set with power supply shall be arranged for this purpose.

Vacuum Equipment Bought out (VEB)

A) Vacuum Pumps - Lot

10 Mechanical Dry pump (~100 m3/hr) 8

11 TMP (2500 litre/sec) with Dry backing pump 12

12 Ion Pump (2500 litre/sec) 18

13 Cryo-sorption pumps (4000 litre/sec) 16

14 Annulus Ion Pump (75 litre/sec) 31

15 Portable TMP (2500 litre/sec) cart with dry pump 12

16 Portable TMP cart (75 litre/sec) with Diaphragm 31

Note: Schedule of Annulus ion will have to match requirement based on the LGV end connection type (welded or flanged)

17 1250 mm ID Large Size Gate Valve with flanges and double O-ring 10

18 350 Conflat Flange (CF) Gate Valve 6

19 250 Conflat Flange (CF) Gate Valve 103

20 200 Conflat Flange (CF) Valve 2

21 63/100 Conflat Flange (CF) Gate Valve 78

22 40 Conflat Flange (CF) Gate Valve 92

C) Right Angle Valve

23 63 Conflat Flange (CF) Right Angle GV 56

Note: Schedule of Gate valves for Annuls piping will have to match requirement based on the LGV end connection type (welded or flanged).

D) Vacuum Gauges and Residual Gas Analyser (RGA)'s

24 Combination gauge 63

25 Cold Cathode gauge 49

26 Pirani gauge 10

27 RGA – 100 Atomic Mass Unit (AMU) 14

28 RGA – 300 Atomic Mass Unit (AMU) 5

Note: Schedule of Gauges will have to match requirement based on the LGV end connection type (welded or flanged)

E) Control and Monitoring System List of Items for VCMS

Note: 1.Integrated Vacuum Control and Monitor System connecting all vacuum equipments and accessories at one central monitoring room for entire vacuum infrastructure (Refer document: 3.3_LIGO_EPC_Vacuum-Infra_VCMS_Draft) 2. Based on final design of VCMS prepared by the EPC contractor, the quantities are subject to vary, which shall be in the scope of EPC Contractor

29 Standard 19” rack 42U Size with larger width 7

30 In rack UPS backed general AC power (230V) 7

31 In rack UPS backed power supply (24V) kept outside LVEA/VEA (Power depends on connection to cater to TBD VE) 7

32 Rack mount Control Computer/PLC/IPC /Touch screen-based IPC for Control & Monitoring (24V operation) 7

33 Integrated UPS with battery pack for IPC 7

34 PLC (IO modules) housed inside an electronics rack mountable Enclosure/chassis (24V Operation)- As per vacuum system requirement 07 set

35 In rack cabling both control wiring and networking, Termination panel and wiring inside rack for connection to field VE/signals 07 Set

36 Field cabling with cable tray As per Vacuum System Layout

37 32 core Single mode Fiber optic cable 8Km

38 Fiber optic-based Ethernet Networking 8Km (Envisaged termination at every 250m)

39 High-end Workstations with configuration comprising of minimum 256 GB RAM, 64 core processor, dedicated GPU with 32 GB memory, 32" monitor 27” monitor, Keyboard, mouse etc. and essential softwares installed for operation of VCMS. 4

40 PLC Software Licenses (Development + Runtime) (2+7)