SOW-Fabrication Supply and Installation of Solar Water Heaters-191N6524Q0122.pdf

US EMBASSY, NEW DELHI

STATEMENT OF WORKS

FOR

FABRICATION AND INSTALLATION OF SOLAR WATER HEATERS

AT

ENCALVE APARTMENTS

1.0 BRIEF DESCRIPTION OF WORK:

1.1 The United States Embassy, New Delhi has a requirement to fabricate and install solar water heaters for Enclave Apartments, New Delhi.

1.2 Contractors are advised to visit the site, verify details of existing apartment orientation and layout.

1.3 Any ambiguity found later will be at the discretion of the contracting officer for any modification.

1.4 The scope of work involves complete removal of existing solar water heaters from 18

Enclave Apartments roof and installation of new solar water heaters provided by the contractor as per following specifications.

1.5 The contractor shall supply and install 18 solar water heaters having capacity of 500

LPD (Pressurized).

1.6 Complete job shall be done by skilled/professional workers.

1.7 The contractor is required to fabricate, supply and install 18 water heaters with working pressure of 4 to 5 bars, storage capacity 300 liters each and solar panel comprising of manifold and G.I. stand.

1.8 The contractor shall be given total 25 working days to complete this project.

2.0 GENERAL GUIDELINES

2.1 The Contractor shall provide all required labor, material (except the GFI), equipment, and supervision to complete the project.

2.2 Contractors are advised to conduct the site visit to understand the requirement and verify measurements.

2.3 Contractors are recommended to seek clarifications regarding this statement of work and site conditions at the time of walk thru from the COR of this project.

2.4 The contractors can write the uncleared queries to the contracting office after the walk thru.

2.5 Embassy contracting office will consult with COR and respond to all the queries in writing before the due date of the submission of quotes.

2.6 Embassy expects professional craftsmanship and supervision from the bidders.

2.7 The timeline for this project is 20 calendar days for installation of solar watr heaters at site.

2.8 The contractor must adhere to the safety mandates explained in this document,

2.9 The contractor and his/ her staff must wear Personnel Protective Equipment (PPE) while at embassy construction site. Contractor can add cost of PPE to the bid and must comply the PPE guidelines 100% at USG facilities. Contractor will be countable for the delay caused by non-compliance.

2.10 No work will be allowed to perform at USG construction sites without the PPEs and the contractor will be accountable for the delays caused due to the safety issues.

2.11 PPE includes steel toe shoes, protective goggles, hard hats, coveralls and COVID -19 protective masks.

2.12 The contractor shall include the cost of the PPEs and other logistical expenses to manage the safety and PPE guidelines while bidding.

2.13 The contractor will be held responsible and accountable for any deviations from the safety and PPE guidelines specified in this document.

2.14 All work shall be performed by skilled and competent crew.

2.15 The Contractor shall follow security and safety directions as mentioned in the statement of works and explained by the COR.

2.16 The Contractor shall submit all the cut sheets / broachers and material samples for

COR approval before delivery of material at site.

2.17 All materials shall be delivered, hoisted on the exterior and stored as per space allotted.

2.18 Contractor shall dispose of all the debris from the site and keep the site clean and in workable condition throughout the project duration.

3.0 SPECIFICATIONS FOR SOLAR WATER HEATER

3.1 The absorbent plate shall be fully multi flow, flooded type, formed by using plates & layers.

3.2 Each solar heart shall have two plates with surface area of 3’ X 6’ each.

3.3 The plate shall be black chrome plated over nickel for absorption of 93 + - 0.05% emissivity.

3.4 The storage tank shall copper or stainless steel, shall have pressure injected polyethene foam CFC free for longer temperature retention period.

3.5 The storage capacity 300 liters each and solar panel comprising of manifold and stand.

3.6 The tank shall have a pressure temperature valve (Safety release valve).

3.7 The contractor shall provide 3.5 KW copper element for back-up support with thermostat control. The thermostat setting shall be between 50 to 70 degree Celsius

3.8 There shall not any dissimilar metals ferrous and non-ferrous materials without a dielectric union.

4.0 SCOPE OF WORK FOR INSTALLATION OF SOLAR WATER HEATER

4.1 Remove all inlet and outlet water connections from existing solar water heaters. Remove electrical connections.

4.1 Required electrical supply shall be provided by Embassy at roof level. The contractor shall connect back up supply with solar heater.

4.2 The contractor shall do both inlet and outlet connections with solar unit. The embassy will provide cold water supply pipe up at the roof.

4.3 The hot water distribution shall be done by the Embassy not contractor.

4.4 Any civil work require for installation of solar heater shall be in the scope of contractor.

4.5 The embassy shall be providing scaffolding or lift for transporting solar water heater at roof.

4.6 The Embassy shall provide electrical supply at roof with DB waterproof enclosure. The contractor shall take output for electric back up supply through this DB enclosure.

4.8 Pressure testing shall be performed by the contractor for not less than 30 minutes at 7 bar

(100psi) on all contractor supplied piping and connections before handing over the system.

5 CONTRACTOR’S RESPONSBILITY

5.1 The Contractor shall be responsible for the professional quality, technical accuracy, and the coordination of all construction and other services furnished under this contract. The

Contractor shall correct or revise any errors or deficiencies in its construction and other services without additional compensation,

5.2 The Contractor shall identify a Project Manager/Supervisor who shall be responsible for the overall management of this Contract. Project Manager shall be qualified and have the experience in same type of job.

5.3 The Contractor is responsible for safety and shall comply with all local labor laws, regulations, customs, and practices pertaining to labor, safety, and similar matters. The Contractor shall promptly report all accidents resulting in lost time, disabling, or fatal injuries to the COR.

5.4 The Contractor shall be responsible for connection of temporary utilities to existing utilities including water and power. All temporary connections to local water and power shall be coordinated with the Embassy.

5.5 All expenses towards mobilization at site and demobilization including bringing in equipment, workforce and materials, profit and overheads, dismantling the equipment, clearing the site etc. should be included in the rates quoted by the contractor. No separate payment on such expenses shall be entertained.

5.6 Contractor should keep the site clean and accessible to Embassy employee all time.

6 SAFETY

In addition to the attached Accidental prevention clause contractor will be responsible for:

6.1 Any miss-happening at the site due to negligence in the safety measures.

6.2 Contractor will provide all Personal Protective Equipment for the workers as per the requirement of the site. Work will be stopped in case proper protection equipment are not find with the workers and lapse of the time will at the part of the contractor.

6.3 Contractor will make sure that all the arrangements for the work are working conditions are safe in all respect. Under no circumstance Embassy will be held responsible for any incident happen on the site due to negligence of the contractor / worker.

7 WORKING HOURS

• Working hours shall be 8.30 A.M. to 5.00P.M. Monday to Saturday. No work shall be done on Sundays/holidays unless otherwise approved. Total 20 working days shall be given.

SERVICE WARRANTY

The Contractor shall provide 10 years warranty from the date of commissioning for any defects related to bad workmanship or quality of materials used.

LIST OF CRITERIA FOR TECHNICAL EVALUATION

(1) Name of a Project Manager (or other liaison to the Embassy/Consulate) who understands written and spoken English;

(2) Evidence that the offeror/quoter operates an established business with a permanent address and telephone listing;

(3) List of clients, demonstrating prior experience with relevant past performance information and references. Please provide pictures of completed work.

(4) Evidence that the offeror/quoter can provide the necessary personnel, equipment, and financial resources need to performance the work. Can the offeror/quoter provide the necessary personnel?

(5) Evidence that the offeror/quoter has all licenses and permits required by local law? Were licenses and permits required by local law provided?

(6) The offeror’s strategic plan for the services

(7) Technical data sheet and company catalogue/brochure of the products/services.

(8) Evidence that the Contractor has the capability to install and maintain the Required services?

SAFETY STANDARDS TO BE FOLLOWED AT CONSTRUCTION AND RENOVATION

SITES

Contractor:

Work Site Address:

Contractor Safety Officer Name:

Signature for Acceptance by the contractor:

Safety standards to be followed at construction and renovation sites AHA

– Activity Hazard Analysis

1. The contractor must document in the bid for the work how the control of each hazard will be implemented and maintained during the project by submission of a safety plan and activity hazard analysis (AHA) for high hazard activities. The POSHO or qualified Post representative must review the contractor's proposal and provide feedback to the responsible project manager and Contracting Officer prior to acceptance of the bid.

2. Any situation where in the work in progress can pose a threat to the user of work area in emergency, contractor shall ensure proper barricading (sturdy enough for the purpose) to avoid any risk.

General

1. All workers on the work site must wear shoes. No worker with flip flops will be allowed to work at site.

2. All the workers should wear full clothes. No half pants and other non-appropriate clothing (Loincloth) will be accepted.

3. Debris/ trash accumulated on the site should be removed at a regular interval (if possible, on daily basis) so that it should not pose any trip hazard.

4. Employee exposed to hazards created by different works environment shall be protected by personal protective equipment. Appropriate protective clothing for any operation varies with the size, nature, and location of work to be performed.

5. In extreme hot conditions drinking water must be made available to the worker and working duration in exposed conditions should be scheduled accordingly.

6. It is the responsibility of the contractor to make all the PPE Kits (Personal

Protective Equipment) available per the requirement of the work site and as directed by the COR. Any mishap due to negligence on the part of the contractor will be entirely contractor’s responsibility.

PPE Kit should comprise of the underlisted:

1. Protective Safety gloves - cut resistance, puncture resistance, and abrasion resistance. Each glove should have a separate rating for each. In construction, rated gloves for vibration reduction, protection from heat and flames and heat degradation resistance are required to be ensured.

2. Hearing protection-Ear plugs and Earmuffs. (For over 85 decibels)

3. Full face shields when cutting, grinding, or chipping.

4. Chemical splash goggles/safety eyewear – when working with chemicals.

5. Respiratory protection - air-purifying respirator or a supplied air respirator.

6. Fall protection equipment when working above 6 feet.

7. High-Visibility Safety Apparel- Specific protective clothing such as welding leathers when welding or FR clothing when working with live electric (high visibility shirts with ANSI 107-2020 standard).

8. Hard Helmets - protecting against falling objects and blunt forces.

9. Safety Harness - when working at above 6 feet of height.

10. Safety Work boots/shoes – ASTM F2413-18 and ASTM F3445-21 for EH and SR standards with an impact and compression resistance rating of 75.

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Machinist / Welding Jobs

1. Hot work permit is required to be filled for each hot work to be performed on

USG site.

2. Contractor shall follow attached standards regarding different type of welding to be done on the site.

3. All workers who are arc welding must use a full-face shield with #10 or darker lenses. No worker will be allowed to arc weld with sunglasses, no matter how dark the lenses.

4. All the workers working on grinding and sanding job should have approved face masks and goggles for face and eye protection.

5. Workers handling the heavy metallic material should have appropriate gloves and safety shoes as per the job requirement.

6. Lifting and shifting of the heavy material to be done with the help of appropriate machines.

7. Compressed gas cylinder shall be properly marked and should always be kept in standing positing with guard against fall.

8. Hoses connected to the cylinder should be in good condition.

9. In case Arc welding is done inside the premises proper ventilation should be arranged in the vicinity.

10. Contractor should use welding shield during the work to protect the people around against any potential vision hazard.

11. Always keep an approved fire extinguisher near the site of welding.

12. Workers working with metal sheets must wear appropriate gloves to avoid any cuts on the hands or mishap on the site.

13. Electrical connections for the welding set and the grounding for the same shall be done properly to the satisfaction of the embassy electrician. Please refer electrical section in the document.

Ladders Safety

1. Contractor will use aluminum or fiber glass ladders for all purposes. Wooden ladders are not allowed on the site.

2. Proper ladder for a specific job should be used (for example fiber glass ladders for electrical work etc.).

3. Damaged ladders or ladders with missing supports, shoes etc., should not be used on the site.

4. Height of the ladder should be at least two feet above the required height for the work.

Electrical

1. All the equipment / machines to be used for the execution of the job should be properly grounded.

2. All the extension boards to be used at the site should have proper earthing.

3. All connections to any of the outlets should be through three pin plug. Direct connection of wires in not allowed on the site.

4. Damaged wiring/ cabling for the machines / tools to be used at site are not acceptable. The extension cord or wire with the machines should be one core.

5. Electricians working on the site should wear shoes with rubber soles and should use rubber gloves during execution of the work.

6. Any heavy equipment to be plugged in for the work should be done under supervision of the embassy electrician. Contractor on his own should not plug in heavy equipment.

7. No taped joint or undersize wiring is allowed at the site for the work.

Carpentry

1. Carpenters should have dust mask to protect them from the potential hazard from saw dust. In case sanding machine is used at the site the machine should have proper guards and operator should have suitable PPE (personal protective equipment) with them. For e.g. safety goggles, safety shoes, gloves etc.

2. All the wood to be used at the site should be properly stacked at one side. It should not be scattered around and pose a threat for a trip hazard.

3. Entire site should be kept clean from the saw dust at the end of the day.

4. Carpenter shall use machine guards if at all machines are used at the site.

5. All the care should be taken to protect the flooring against any kind of potential damage.

6. All the drill machines or other electrical tools to be used at the site should be properly grounded and wired.

7. Contractor should use proper tools and tackles for the execution of the work at site.

8. Nails and other sharp material which can pose a threat of accident should not be scattered on the site.

Fire

1. Contractor shall provide and place fire extinguishers as per the requirement of the site (as recommended by the COR).

2. No flammable material should be kept inside the premises at any given point of time.

Lock Out / Tag Out

1. Lock out devices should be used during the testing of the electrical points and wiring.

Confined spaces

1. If at all the contractor has to work in a confined space he should contact the COR before proceeding with the work. Contractor should arrange all the equipment as instructed by the COR to accomplish the job in a safe manner.

Hearing Protection

1. Contractor should assure that all the workers working in noisy surroundings should wear earmuffs or other approved devices.

Height Protection

1. Any work to be carried out over and above 8’-0” needs a sturdy metal pipe scaffolding to carry out that work. Ladder or any other arrangement needs a preapproval from COR to be implemented on the site.

2. Work at height- Scaffolding inspection to be ensured.

DOSAR 652.236-70 - Additional Safety Measures (Oct 2017)

In addition to the safety/accident prevention requirements of FAR 52.236-13, Accident

Prevention Alternate I, the contractor shall comply with the following additional safety measures.

(a) High risk activities. If the project contains any of the following high-risk activities, the contractor shall follow the section in the latest edition, as of the date of the solicitation, of the

U.S. Army Corps of Engineers Safety and Health manual, EM 385-1-1, that corresponds to the high-risk activity.

Before work may proceed, the contractor must obtain approval from the COR of the written safety plan required by FAR 52.236-13, Accident Prevention Alternate I (see paragraph (f) of this clause), containing specific hazard mitigation and control techniques.

(1) Scaffolding.

(2) Work at heights above 1.8 meters.

(3) Trenching or other excavation greater than one (1) meter in depth.

(4) Earth-moving equipment and other large vehicles.

(5) Cranes and rigging.

(6) Welding or cutting and other hot work.

(7) Partial or total demolition of a structure.

(8) Temporary wiring, use of portable electric tools, or other recognized electrical hazards.

Temporary wiring and portable electric tools require the use of a ground fault circuit interrupter

(GFCI) in the affected circuits; other electrical hazards may also require the use of a GFCI.

(9) Work in confined spaces (limited exits, potential for oxygen less than 19.5 percent or combustible atmosphere, potential for solid or liquid engulfment, or other hazards considered to be immediately dangerous to life or health such as water tanks, transformer vaults, sewers, cisterns, etc.).

(10) Hazardous materials - a material with a physical or health hazard including but not limited to, flammable, explosive, corrosive, toxic, reactive, or unstable, or any operations, which creates any kind of contamination inside an occupied building such as dust from demolition activities, paints, solvents, etc.; or

(11) Hazardous noise levels as required in EM 385-1 Section 5B or local standards if more restrictive.

(b) Safety and health requirements. The contractor and all subcontractors shall comply with the latest edition of the U.S. Army Corps of Engineers Safety and Health manual EM 385-1-1, or

OSHA 29 CFR part 1910 or 1926 if no EM 385-1-1 requirements are applicable, and the accepted contractor's written safety program.

(c) Mishap reporting. The contractor is required to report immediately all mishaps to the COR and the contracting officer. A “mishap” is any event causing injury, disease or illness, death, material loss or property damage, or incident causing environmental contamination. The mishap reporting requirement shall include fires, explosions, hazardous materials contamination, and other similar incidents that may threaten people, property, and equipment.

(d) Records. The contractor shall maintain an accurate record on all mishaps incident to work performed under this contract resulting in death, traumatic injury, occupational disease, or damage to or theft of property, materials, supplies, or equipment. The contractor shall report this data in the manner prescribed by the contracting officer.

(e) Subcontracts. The contractor shall insert this clause, including this paragraph (e), with appropriate changes in the designation of the parties, in subcontracts.

(f) Written program. The plan required by paragraph (f) (1) of the clause entitled “Accident

Prevention Alternate I” shall be known as the Site Safety and Health Plan (SSHP) and shall address any activities listed in paragraph (a) of this clause, or as otherwise required by the contracting officer/COR.

(1) The SSHP shall be submitted at least 10 working days prior to commencing any activity at the site.

(2) The plan must address developing activity hazard analyses (AHAs) for specific tasks. The

AHAs shall define the activities being performed and identify the work sequences, the specific anticipated hazards, site conditions, equipment, materials, and the control measures to be implemented to eliminate or reduce each hazard to an acceptable level of risk. Work shall not begin until the AHA for the work activity has been accepted by the COR and discussed with all engaged in the activity, including the Contractor, subcontractor(s), and Government on-site representatives.

(3) The names of the Competent/Qualified Person(s) required for a particular activity (for example, excavations, scaffolding, fall protection, other activities as specified by EM 385-1-1) shall be identified and included in the AHA. Proof of their competency/qualification shall be submitted to the contracting officer or COR for acceptance prior to the start of that work activity.

The AHA shall be reviewed and modified as necessary to address changing site conditions, operations, or change of competent/qualified person(s).

(End of clause)

For any further clarification please contact POSHO (Post Occupational Safety and Health

Officer) at # 011-24198280 OR APOSHO Ms. Vidushi Sharma at 011-24198714.