Info

Incoming Status Drawings / Documents PR = Preliminary, CF = Certified, AB = As Built P = Paper Print, R = Reproducible {Sepia)

FIGURE 5B VDR form, page 2 of 2

FIGURE 5B VDR form, page 2 of 2

• Verification of recommended minimum flow

• NPSH test results

• Material test certificates

Noise Data Sheet If the equipment is large enough or of a type known to be a noise concern, the purchaser may specify the maximum allowable noise level attributable to the

FIGURE 6A Typical inspection and testing documents, page 1 of 3

equipment being purchased. One way to accomplish this is to include a noise data sheet that lists the allowable levels for the equipment provided. This data sheet should be designed to require the vendor to fill in the expected noise level for the equipment being offered. If the expected noise is greater than the specified maximum value, the vendor should be directed to provide special design options (that is, noise enclosure, WP II motor special noise ducting, and so on) to lower the expected noise level. See Figure 7 for a typical noise data sheet.

Bidders List Preparation The preparation of a bidders list for the required equipment on a project is of utmost importance. This list is comprised of suppliers that the client and purchaser agree are qualified to supply the needed equipment.

FIGURE 6B Typical inspection and testing documents, page 2 of 3

Qualification requirements may include a variety of categories such as the following:

• Vendor proven successful experiences supplying similar equipment

• Vendor ability to meet required delivery schedule

• Vendor ability to support field installation

• ISO 9001 certification standing

• Location of manufacture or material supply

• After sales service, spare parts supply, and so on

FIGURE 6C Typical inspection and testing documents, page 3 of 3

If a proposed vendor is not known to the purchaser, a shop survey may be required to satisfy the purchaser of a potential supplier's ability. This type of survey will usually include an inspection and assessment of the manufacturer's shops, engineering and design facility, and quality assurance organization. The complexity of the required equipment and the project needs will determine the level of qualification required of the vendors. Remember that a vendor is required to provide not only the specified equipment, but also civil, piping, and electrical interface information required for project design. A vendor must possess the skills necessary to support all of these requirements.

The number of vendors that are to receive bid requests is usually between three and five. This number will provide for effective competition and will limit the quantity of quotes that require evaluation.

Pump alliance agreements, or the need to duplicate existing equipment, may reduce the list to a single bidder. In addition, unique design or vendor experience may dictate a sole source supplier.

FIGURE 7 Typical noise data sheet

Bidding Time The time required to prepare a bid will depend on the complexity of the equipment, the relative cost of buy-out items (such as exotic castings and turbine drivers), and the level of business activity in the market. It also depends on the number of pump services included in the requisition. The more sub-vendors the main equipment supplier must depend on, the longer the time needed for the vendor to provide an accurate quote.

As a guideline, the following timing may be used to set the bid due date.

Bid Preparation Time

Application

Weeks Required

Pre-engineered and conventional pumps—6 in

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