32A-142 Hinge Occupant Load 11-07-13M e t c a l f e A s s o c i a t e s A r c h i t e c t u r e
142 Main St. Northampton, MA, 01060 Tristram W. Metcalfe III, Ma. Reg. 5393
Phone number > 413 586 5775 Cell number > 413 695 8200 Email > twm3@rcn.com
NCARB, NYS, MA, CT registrations
WMAIA
AIA
May 28, 2013
Louis Hasbrouck,
Building Commissioner City of Northampton
Puchalski Municipal Building,
212 Main Street, Northampton, MA 01060
RE: Renovations to; 48 Main St., Northampton, Ma 01060
Dear Louis,
This is a substantial completion report on the above project. It backs up the prior Code Review and
Fire Narrative with the project drawings Titled; A-2, A-3, & A-2D, with revision dated 7-18-12.
The attached revised plans are;
A-2, A-3, & A-2D rev dated 05-23-13.
Project Description as completed:
The current project added a new single ADA bath room on the first floor and has yet to restore a
rear roof over the existing concrete loading and egress access porch and basement hatchway. The top
floor was cut off by a 2 hour fire wall and door enabling no sprinkler system above where no
assembly use is allowed.
Code violations recently solved;
The building fire separations 3rd floor from below, life safety alarms, plumbing facilities
accessibility.
The restored building is to existing uses and areas of restaurant below, with 2 hour fire
separated storage and private offices above with a new fire Sprinkler System on all lower restaurant
levels.
* Occupancy load: This has been increased causing the additional 1st floor bathroom and new
sprinkler system;
By table 1008.1.2 in A use is;
Assembly without fixed seats
Concentrated (chairs only-not
fixed)7 net
Standing space 5 net
Unconcentrated (tables and chairs)15 net
Calculating by floor;
We make a count of occupants as follows;
Basement = 6 occupants
,First floor = a combination of one per 7 sq ft net and 15 sq ft net per occupant of that floor level =
total 70 occupants.
Second floor = a combination of one per 7 sq ft net and 5 sq ft net per occupant of that floor level =
total 127 occupants.
Third floor is not an A2 use but has a related storage & office use occupancy of 4 occupants.
The total building occupancy then is; 207 people.
* Common path limitation: none 75' allowed, The entire building is 75 ft at exterior walls.
* Means of egress lighting and exit signs:
Electrical with emergency wiring plans are shown on all plans.
* Fire-rating of structural elements:
Exterior Walls: 2 Hr Required with 2+ Hr Actual
* Fire Walls: Not Applicable
* Fire Separation Assemblies:
Enclosure Of Exit Stairs: are 2hr walls applicable with new B label 90 minute doors.
Other Separation Assemblies: Fire Partitions: Not Applicable
Exit Access Corridors: corridor at 1 hour. First main floor has two existing exits and a 3rd from
2nd floor stair exit to the Main Street exit.
Smoke Barriers: Not Applicable
Other Non-Bearing Partitions: O Hr Required
Interior Bearing Walls, Columns : O Hr Required
Structural Members Supporting Wall: O Hr Required
Floor Construction Including Beams: O Hr Required
Roof Construction Of Any Height: O Hr Required
* Interior surface burning characteristics to conform to the following:
{Note: Class I, II + III = Class A, B+C}
Walls: Class I At Stair Enclosures And Corridors
Class I At Exit Access
Class I Or II At Other Interior Spaces
Ceilings: Class I At Stairways
Class I Or II At Other Interior Spaces
* Draft stopping: existing attic area to be part of 3rd floor and it will not exceed 3000sf.
* Fire alarm WAS upgraded with Fire Alarm announcing and controlled by a reporting service. The
Knox box IS at the front main door. Smoke detectors, all alarms, fire extinguishers, emergency
lighting exit signs and a fire emergency enunciator panel are shown on the floor plans.
* Fire extinguishers are required in accordance with NFPA 10. Locations are indicated on the floor
plans as paired with the fire pull stations and are subject to final approval of fire marshal.
Hazard index: A3 restaurant = 5 with no change.
Sincerely,
Tris Metcalfe,
Ma Reg Archt #5393