Engineering Downloads for Developers, Engineers & Contractors Below is a list of SJWD Water District's policies, standards, and forms for extending water infrastructure to new development projects. Also included are links to resources such as tap and system improvement fees, as well as frequently asked questions. If this is your first project with SJWD, you may find it helpful to review our submittal and approval process for new development.   Standards, Policies and Procedures The documents below are for information purposes only and may not be the latest versions. If you have any questions, please contact us. Standard Construction Specifications Standard Details Vault Details Approved Materials List Water Line Extension Policies Delegated Review Program (DRP)/Commercial Service Project Checklists   Forms Service Availability Request Form Letter of Intent Form (Commercial) Letter of Intent Form (Residential) Request for Line Extension Form Commercial Service Request Form Delegated Review Project Submittal Checklist Commercial Service Submittal Checklist Application for Service   Resources Approved Backflow Devices Contact Us Frequently Asked Questions