Summary of Work
Here is a brief summary of the required work. The item numbers refer to the itemized details which follow:
1. Repair cracked beam in Carpenter's shop by gluing and bolting a 12' LVL to the bottom face. (Item 6-10)
2. Replace approx. 813sf of rotted 3" thick floor and roof decking in the warehouse and stable. Re-roof as needed over replaced roof decking (approx 368sf). (Items 6-2, 6-3, 6-5, 6-6, 6-7, 6-9, 7-1)
3. Replace rotted roof ledger beam over S wall of warehouse and stable, approx 23'. (Items 6-2, 6-9)
4. Provide support to the ends of 5 partially rotted beams in the SE corner of the warehouse (2 floors and roof) using vertical timber post bolted to wall. On SE 2nd floor joist, scarf new beam end. (Items 6-1, 6-4, 6-12)
5. Install concrete footing and steel column under rotted beam in basement of warehouse. Scarf new oak end to beam, approx 3' long. (Items 3-1, 5-1, 6-11)
6. Re-roof cupola on blacksmith's shop with rubber. Replace rusted stovepipe vent. (7-3, 7-6)
7. Miscellaneous recaulking and reflashing on warehouse and stable roofs to restore watertightness. (7-2, 7-4, 7-5)
Detailed Description of Work
The following excerpt, from Section 01010 of the building specifications, is the itemized list of work to be performed on this project. The numbers correspond to call-outs on the drawings.
Division 3 – Cast-in-Place Concrete
3-1. Provide new 16” x 2’-6” square concrete footing in basement of warehouse to support new pipe column above, as per SKS-5.
Division 5 - Metals
5-1. Install new 3.5” dia. steel pipe column to support south-eastern beam end at first-floor, as per SKS-5..
Division 6 - Wood
6-1. Install permanent vertical timber pilasters in the warehouse for the two south-east most roof beam ends, running from underside of roof beam to top of second floor beam. Bolt to the masonry wall using a screen tube epoxy system as per SKS-6.
6-2. Replace rotted warehouse roof decking along the east wall approx 32' x 3', 96 sf with like rough-cut 3" timber. Replace an additional section on the south wall, approx 12' x 8', 96 sf. Replace 18' ledger on S wall where rotted. When decking is removed, treat top of exposed beams with Boracare wood preservative.
6-3. Replace rotted warehouse second floor decking in the south-east corner, approx 16' x 14', 224 sf, with like rough-cut 3" timber.
6-4. Install permanent vertical timber pilasters in the warehouse for the two south-east most 2nd floor joist ends, running from underside of 2nd floor joist to top of first floor beam. Bolt to the masonry wall using a screen tube epoxy system as per SKS-6.
6-5. Replace rotted warehouse first floor decking in the south-east corner, with like rough-cut 3" timber, approximately 1’-4” x 24’-0”, 32 sf.
6-6. Replace rotted warehouse roof decking in the center of the north wall, approx 8' square, 64 sf.
6-7. Replace rotted stable second floor decking along southern bay, approx 8' x 24', 192 sf.
6-8. Repair end of rotted beam joist at the second floor south east corner of the warehouse using a scarf joint and 4 through bolts.
6-9. Replace rotted stable roof decking along southern wall, approx 6' x 8', 48 sf. Replace 8' of rotted ledger beam as needed.
6-10. Repair cracked roof beam in carpentry shop with 12' - 4” length of LVL glued and bolted to bottom of the beam as per detail SKS-7. Beam must be supported from the sides and jacked to level or a slight crown prior to gluing. Clerk of works to be on-site for inspection at the time of gluing.
6-11. Repair end of rotted beam joist at the first floor south east corner of the warehouse using a scarf joint and 4 through bolts. Joint is to be over the steel column, as per SKS-5.
6-12. Move post presently under southeast beam in basement of warehouse next beam-end (which has been replaced with steel column, see 5-1) to the north. Shim tightly over granite footing and spike to beam at top.
Division 7 - Thermal and Moisture Protection
7-1. Re-roof small sections in warehouse and stable roofs which were required to be removed in order to access the decking replacements described above. (See items 6-2, 6-6, and 6-9; approx 368 sf total)
7-2. Restore roof termination bars and galvanized flashing on warehouse roof. Re-secure termination bar. Cut and reseal top of termination bar sealant, approx 120'
7-3. Replace rusted stovepipe in blacksmith shop with equivalent pipe and vent system. Comply with building code requirements for height.
7-4. Re-caulk parapet coping on warehouse.
7-5. Cut out joint above flashing at the east wall of the warehouse over stable roof. Replace with backer rod and sealant.
7-6. Re-roof blacksmith shop cupola using rubber.