TROWBRIDGE - UPGRADE OF EXTERIOR MASONRY Trowbridge is a 5-story building in Cambridge, in the historical district, requiring upgrades to the exterior masonry at three elevations. Scope of work includes addressing all cracks or spalling in the limestone bands and cornices as well as the limestone foundation blocks by applying polymer concrete patch; Removal of the old coating and application of new cementitious coating, color to match original via a 2-coat process, primer & finish coats; raking out of all failed mortar joints and repointing with mortar to match existing; and seal all suspect leak penetrations with the application of DOW 795. Project will be completed via ladders (basement - 2nd floors) and swing staging (3rd floor - roof line) R.M. Cochran will oversee that all NSTAR wiring is draped and all trees appropriately pruned prior to commencement. STATUS: Commencement: August 21, 2006 - Permits have been approved. Proto-type of masonry coatings for management/owner approvals AUGUST 28th - Trees pruned & ownership requested NSTAR to drape wires at front entrance. Masonry coatings approved. Ladder work in progress. Swing staging ordered SEPTEMBER 1st - Basement - 2nd floor masonry pointing/coating complete SEPTEMBER 18th - 40' swing stage at right wall/end and full sidewalk protection installed to complete work from 3rd-roof levels. We anticpate (3) more moves of the swing to complete. We are still awaiting NSTAR to drape wires at front of building. We anticipate the right wall to be complete by end of next week (we will have 2 down days for swing moves). SEPTEMBER 30th - JOB COMPLETED
Sidewalk protection installed @ 2nd floor level-front & right side of building	Sidewalk protection footings placed not to disturb plantings	1st 40' section of installed swing stage over sidewalk protection
Accessibility to front entrance/under sidewalk protection	Completed detail around door	Swing stage in place - right wall. Floors 3-roof complete, in this secion.
Dental work - BEFORE (right side) & AFTER (left side)	Decorative marquis stone/top, right side of building. Stone extensively damaged, cracks were routed and sealed.