Subcontractors

SERVICE AGREEMENT TEMPLATE 

SUBCONTRACT TEMPLATE 

PURCHASE ORDER TEMPLATE 

 ADDENDUM A – GCC INSURANCE REQUIREMENTS REVISED 8-2020

ADDENDUM B – 2022 GCC PAYMENT PROCEDURES

ADDENDUM C – GCC SAFETY ADDENDUM

ADDENDUM D – UNION AGREEMENT

ADDENDUM E – DBE ADDENDUM

W-9 FORM

If you have any questions, please contact the Estimating Department at 707-585-1221. Thank you!