BCM Additional Labor Costs Due to Covid
Cross Island Mechanical Layout sprinkler heads location on floor of platform, based off reference lines to be laid out by Spearhead, on Friday – SH laid out 2 reference lines for other trades to work off Pending RFI for clarification on sprinkler heads in 2 nd floor closet hallway, above purge ductwork – RFI 00084 submitted and responded by EoR: Will need to add additional heads underneath purge ductwork in electrical closet hallway and IT room Pending RFI for clarification of sprinkler heads installed at angle: coverage ok? – RFI 00086 sent and EoR responded Work can begin underneath balcony and in 2 nd floor hallway (RFI 00075) – Will send manpower to relocate sprinkler head in 2 nd floor egress hallway by end of week in order to avoid conflict with HVAC – Will mobilize manpower for Thursday or Friday 02/11/21 or 02/12/21 to begin working underneath balcony and new 4” main along ceiling Working on detail for connecting existing 3” into new 4” main Release coordination drawings by end of the week DOB hydrostatic testing and inspection required – Discussed possible signoff of new work by March 2, pre‐test and progress inspection withing next 2 weeks Height clearance between new sprinkler main and ductwork: seemed adequate for ductwork to pass underneath new main – Based on temporary set up of black iron and hooks, will have support for Duct Work Stryker to layout locations of diffuser points on platform – Spearhead to lay out diffuser points so that diffusers line up with GFRG premade openings After fireproofing steel at 1 st floor duct opening, main riser trunks may be installed up to underside of roof beams – Fireproofing complete at duct opening as of 01‐29‐21 Round ductwork released for fabrication – Agreed verbally no hits and will release ductwork in writing Clarification of hanging points off steel trusses (EOR confirmed ALL trades must connect at truss connection points) – Hanging points applicable to all trades Installation of remaining purge ductwork after sprinkler head in hallway (RFI 00075) relocated Mobilization for work next week (02‐02 – 02‐05) – Mobilization to start Wednesday 02‐10‐21 Discussion of eyeball diffusers: specs and dimensions – Discussed diffusers must be installed first prior to GFRG panels: will need to adjust installation sequence while ductwork and diffusers are fabricated, delivered, and installed Access to work on trunk work at North wall via extension of platform, access as needed by ACS Signed off on Coordination Drawing Basement ductwork left to complete Installation of motorized dampers mounting of 4’ and 6’ flex‐head piping Signed off on Coordination Drawing What do you need from XBR or other trades? ACS Systems
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