Middle School Roof Replacement

Mason Consolidated Schools (Michigan) is soliciting sealed bids on built-up roofing replacement at Mason Middle School (2260 Lakeside Road, Erie, Michigan 48133) with bids due November 11, 2026 at 11:00 a.m. and a mandatory pre-bid meeting on November 4, 2026 at 9:00 a.m. Attendance at the pre-bid meeting is required; bids from non-attending bidders will be deemed non-responsive and not opened.

Bidders must be duly licensed contractors in Michigan and must have visited the site prior to bid submission. The base bid covers roofs 1 and 2 at Mason Middle School using THERMastic 80 material. Alternate bids are available for roofs 6 and 7 at Mason High School and additional individual roof sections at Mason Middle School. Unit pricing must also be provided for supplemental work including gypsum deck installation per square foot, nailer replacement for various lumber sizes per linear foot, new clamping rings, cracked drain bowl replacement, and re-tapping of drain bolts.

The scope encompasses comprehensive built-up roofing (BUR) installation with detailed specifications for metal flashings, penetration details (plumbing vents, piping, hot stacks, equipment stands), roof drains with gravel guards, air-handling-unit curbs, parapet caps, door thresholds, and daily waterstop tie-ins. Metal components must meet specified gauges and materials (galvanized iron, aluminum 3003-H14, or cold-rolled copper depending on face dimension). All work must be completed by August 20, 2027.

A material escalation allowance of $35,000 is included for documented post-bid cost increases approved by the owner; unused amounts revert to the owner. A bid guarantee equal to five percent of the base bid amount is required (cash, cashier's check, certified check, U.S. money order, or bid bond). Contract execution and surety must be furnished within ten days of notice of award if offered within 60 days of bid receipt. Sealed bids are submitted to Eric Hoogendoorn at Mason High School, 2400 Mason Eagle Drive, Erie, Michigan 48133.