Running an MEP Tender for a New Factory: Sequence, Documents and Timeline

An MEP tender for a new factory runs in five steps: freeze the design and package structure, prequalify bidders, issue one tender pack and run the pre-bid meeting, evaluate technical and price bids separately, then negotiate and award. For the bidding itself, allow three to four weeks; for the whole process, a few months.

Step one: decide what you are tendering

Most tender problems start before the tender. Decide four things first.

• Design stage. Are you issuing a concept, or drawings and specifications that a contractor can price without guessing? A tender on concept drawings invites assumptions, and every assumption comes back as a variation.
• Package. Electrical, fire, HVAC and plumbing as one turnkey MEPF package, or as separate trades with you coordinating? The turnkey EPC model puts coordination risk with one party; separate trades give you more price tension and more interfaces.
• Contract form. A bill of quantities with item rates, or a lump sum on defined drawings. The choice drives what you can compare.
• Approvals. Fire NOC, electrical inspector clearance, pollution consents and utility connections each need an owner. Put this into the scope, not into a footnote.

Step two: prequalify before you send drawings

Prequalification protects bidders' time and your own. Ask for a small, checkable set of facts: similar completed work of comparable size, turnover, valid electrical, fire and plumbing licences for your state, financial statements, key staff, and references you can call. A private owner can set the bar to suit the job: a common approach is to ask for completed works of a stated minimum size or share of the estimate. We have a separate prequalification checklist.

Step three: the tender pack and the pre-bid meeting

Issue the same pack, on the same day, to every bidder. Anything said to one bidder is sent to all.

The Department of Expenditure's works manual makes a point worth borrowing. Quantities in a bill are best estimates and payment is made for quantities measured, and major errors in items or quantities let a bidder shape the rates so as to be lowest on paper and gain when the quantities are corrected. So check the bill against the drawings before issue. Our note on a BOQ that cannot be gamed goes into it, and who pays when quantities do not match covers the aftermath.

Site visit, pre-bid meeting and queries

Give bidders a site visit and a pre-bid meeting. As a reference, the same manual says that a pre-bid conference should normally be held fifteen to twenty-one days after the tender documents are issued, that written queries should reach the owner at least seven days before it, and that minutes should be published within seven days afterwards, with a corrigendum if the documents change. It also says a bidder who does not attend or raise a query is taken to have no issues with the conditions. Follow that pattern: set a query deadline, answer every query in writing to every bidder, and extend the submission date if the answers change the scope. For public tenders the manual also suggests the bid due date should normally be at least twenty-one days from advertisement; a factory owner can use the same figure as a floor for a complex package.

Step four: evaluate technical and price separately

Open the technical bids first. Check each against the prequalification terms, the make list, the programme, the named team and any deviations. Reject or clarify before anyone sees a price, because a technical deviation hidden behind a low price is hard to undo after award. Then open the price bids of the qualified bidders only.

When you compare prices, first level the scope. Did every bidder include power cabling to the pump room, testing and commissioning, as-built drawings, and statutory approvals? Use the MEP quotation comparison calculator to line the quotes up item by item. A price that is far below the others usually means a missing scope or a make you did not accept. Ask. If the answer is a misunderstanding, correct it for everyone.

Step five: negotiate, then award

Negotiate on commercial terms, programme and scope clarity, not only on price. Keep the same bidders on a level footing; do not reveal one bidder's rates to another. Issue a letter of intent that lists what has been agreed, and complete the contract before mobilisation. For reference, the works manual treats bid security of two to five per cent and performance security of three to ten per cent of contract value as the usual range, and states a default bid validity of ninety days if the documents are silent. Bid validity matters: if your approvals or budget run late, a lapsed validity lets bidders reprice.

A realistic timeline

These durations are typical planning figures, not rules. Approvals such as Fire NOC and the electrical inspector's clearance run alongside, and our approvals guides explain each.

How Secured Engineers helps

We are a turnkey MEPF contractor and we also review other people's tender packs. Design is done in-house, and Fire NOC, CEIG and DISCOM net-metering applications are filed in-house, so a bid from us prices the approvals as well as the installation. Mechanical, electrical, plumbing, fire and solar work can sit under one contract. We work from offices in Noida (Delhi NCR) and Ludhiana, with 535+ projects across 18+ states and 89.77% repeat clients. When we bid, we bid on the same pack and the same rules as everyone else.

If you are about to issue a tender, send the BOQ and drawings first. We will check that the bill matches the drawings, that interfaces are covered and that the scope can be compared. See our MEPF contracting service and the MEPF cost calculator, message us on WhatsApp, call +91 70099 85817, or ask for a free proposal.