Interwest Construction Inc. 12/17/2025

CITY OF EVERETT SPECIAL PROVISIONS Water Main Replacement “Y” – Ph 2 Div 1 – GEN REQUIREMENTS October 2025 Work Order No. UP 3814 SP-121 Category 2: Sensitive information Category 2: For official use only / disclosure permissible by law. d. Horizontal and vertical locations of underground utilities and appurtenances, shall be referenced to monumentation. The monumentation shall be based on NAD 83-91 for Horizontal Datum and NAVD 88 for Vertical Datum. e. Any changes in centerline profile and curb & gutter (top of curb), offsets and elevations. f. Details, Equipment, or materials used that were not shown on the original Plans. g. The actual arrangement and routing of conduit, embedded conduit, raceways and piping relative to its location and proportioned to other work. The location needs to be dimensioned on the record drawings. h. Contractor prepared piping schematics and diagram drawings representing the Equipment orientation. i. Final location of all surface and subsurface improvements. j. Record on the drawings the location of all field run materials. k. All shoring systems left in place at the end of construction. Contractor shall accurately show existing underground items including, but not limited to, piping, manholes, pull boxes, conduit, direct buried wire, foundations, equipment and obstructions found during construction on the record drawings. Note on the record drawings the actual size of all utilities and structures and types of material used. Locate all record drawing items by survey coordinates or dimensioned off NAD 83-91 for Horizontal Datum and NAVD 88 for Vertical Datum. Minimum requirements for accuracy are specified in the following chart. Description Horizontal Location Elevation Notes Gravity sewer and drain lines Coordinates, stations, and offsets 0.1 ft. I.E. 0.01 ft. Recalculate actual slopes. All inverts in manholes. All angle changes. Forcemains, watermains and transmission lines Coordinates and stations 0.1 ft. I.E. 0.1 ft. Record all angle points and finished ground elev. Above the invert elev. All other items, incl. Electrical and Structural 0.1 ft. 0.1 ft. Show dimensions on record drawings. Use red pen or pencil to make changes on the record drawings. Notations are to be neat, legible, clear, and concise. Record information concurrently with the progress of construction. Conceal no work until the required information is verified and recorded. 1-08.11(3) Payment Payment for Bid items of Work completed pursuant to the Contract Documents will be as described in Division B – Bid Item Descriptions and Section 1-09 MEASUREMENT AND PAYMENT of the Standard Specifications.