Purchasing Thresholds
Purchasing Procedures
Qualified Contractors
Change Orders/Emergencies/Retention
100

What is informal bidding or obtaining three written quotes?

$75,000

100

What must be developed by staff before sending an informal bid notice?

Plans, specifications, and a cost estimate

100

When does the District mail invitations to contractors to join the qualified list?

November

100

What is the maximum percentage of the original contract amount for change orders under $220,000?

20%

200

At what amount can a public project be done by 'force account'?

$45,000 or less

200

What must be included in the notice inviting informal bids?

General description, how to get more info, and bid deadline details

200

Which publications are used to invite contractors?

eBidboard, McGraw-Hill, and at least two local builder exchanges

200

What is the max percentage of change orders allowed for contracts between $220,000 and $235,000?

15%

300

What is the dollar limit for informal bidding under the Uniform Public Construction Cost Accounting Act?

$220,000

300

How long before bids are due must notices be sent to contractors?

Not less than 10 calendar days

300

What information must contractors provide to be on the list?

Company name, contact info, license type and number, work category

300

When can emergency construction contracts be awarded without competition?

During a significant emergency threatening life, property, or operations

400

What condition allows awarding a contract up to $235,000 even if bids exceed the informal limit?

If the Board determines the District's cost estimate was reasonable, by 4/5 vote

400

Who recommends the lowest responsible bidder to the Board after bids are opened?

NapaSan staff after reviewing bids

400

When is the new contractor list created each year?

January 1st

400

What must be followed in an emergency to award a contract without competition?

Procedures in the Procurement Ordinance

500

What is strictly prohibited in order to avoid circumventing the bidding process?

Splitting a project into smaller work orders

500

What defines a 'responsive and responsible' bidder?

Lowest cost, meets requirements, and is legally eligible

500

Can a contractor be added to the list outside of the November mailing period?

Yes, if they submit all required information

500

What percentage of retention is withheld from contractor invoices?

5%, with possible increase to 10% for complex projects