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Page 1: G.0.02 Code Analysis - Occupanc 50-percent submittal...(2) Design Occupant Load (1004.1) - In determining means of egress requirements, the largest number of occupants computed in

87 Summer StreetBoston, MA 02110(617) 426-2858FAX (617) 426-1457

Limiteda r c h i t e c t s a n d p l a n n e r sDiNisco Design Partnership

Drawn By:

Date:

Revisions

Scale:

Number Date Description

File Name:

DouglasElementarySchool

Douglas,MA

G.0.02

NTS

10521.1 CD Douglas ES.plc

Construction Documents - 50%

Code Analysis -Occupancy & EgressCapacity

15 JULY 2011

Thompson Engineering Co., Inc.Electrical Engineers

Richard D. Kimball CompanyMechanical Engineers

Schofield Bros. of New EnglandCivil Engineers

Crabtree McGrath Assoc., Inc.Food Service Consultants

AKAL EngineeringPlumbing Engineers

200 Brickstone SquareAndover, MA 01810-1488(978) 475-0298FAX: (978) 475-5768

2150 Washington Street!Newton, MA 02462(617) 527-9600FAX: (617) 527-9606

44 Central Street, Unit 4Berlin, MA 01503(508) 869-0403FAX: (508) 869-2891

10 City SquareBoston, MA 02129(617) 227-6818FAX: (617) 886-9090

129 South StreetBoston, MA 02111(617) 482-4703FAX: (617) 482-4882

1071 Worcester RoadFramingham, MA 01701(508) 879-0030FAX: (508) 879-1797

Brown Sardina, Inc.Landscape Architects

161 West Main StreetGeorgetown, MA 01833(978) 352-8500FAX: (978) 352-8588

168 Main Street, Suite 3, Unit 2Northfield, MA 01360(413) 498-0069FAX: (413) 498-4386

3Si Inc.Technology Consultants

Foley Buhl Roberts & Assoc., Inc.Structural Engineering

1/16'' = 1' - 0''

3G0.02

Third Floor Occupancy and Egress Capacity Analysis

DN

DN

DN

SPEDLEARNING

CTR.MATH

SPEDTLT.

CLASSROOM CLASSROOM CLASSROOM

CLASSROOM CLASSROOM CLASSROOMCLASSROOM

CLASSROOM

CLASSROOM

CLASSROOMSPED LEARNING CTR.

CORRIDOR

GIRLS

BOYS

ELEC

SPEDTLT.

DATA

TEACH. WORK RM.

STOR.JANTLT.ELECELEV

SPEDLIFE SKILL

OPEN TO BELOW

ROOF

CLASSROOM

ELEVLOBBY

CORRIDOR

STAIR 3

SPEDAUTISM

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

390 NSF20 net sf/occupant

(9)20

854 NSF20 net sf/occ.

(25)43

135 NSF20 net sf/occ.

(5)7

100 NSF15 net sf/occ.

(12)7

TLT.75 GSF

300 gsf/occ.(0)

1

STOR.75 GSF

300 gsf/occ.(0)

1

854 NSF20 net sf/occupant

(25)43

STOR.60 GSF

300 gsf/occ.(0)

1

STAIR60"

(300)

67"(447)300

STAIR 2STAIR60"

(300)

67"(447)300

STAIR 1STAIR60"

(300)

67"(447)300

Combination643

3 Exits Required

RD

RD

CLASSROOM

CHASE

CHASE

CHASE

+

1/16'' = 1' - 0''

2G0.02

Second Floor Occupancy and Egress Capacity Analysis

UPDN

SPEDLEARNING CTR.

READING

SPEDTLT.

CLASSROOM CLASSROOM CLASSROOM

CLASSROOM CLASSROOM CLASSROOMCLASSROOM

CLASSROOM

CLASSROOM

CLASSROOMSPED LEARNING CTR.

CORRIDOR

GIRLS

BOYS

ELEC

SPEDTLT.

DATA

TEACH. WORK RM.

STOR.JANTLT.ELECELEV

TEACH. WKRM.

GYMNASIUM

CLASSROOM

ELEVLOBBY

CORRIDOR

STAIR 3

SPEDAUTISM

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

854 NSF20 net sf/occupant

(25)43

390 NSF20 net sf/occupant

(9)20

506 NSF20 net sf/occ.

(9)26

150 NSF20 net sf/occ.

(4)8

100 NSF15 net sf/occ.

(12)7

TLT.75 GSF

300 gsf/occ.(0)

1

STOR.75 GSF

300 gsf/occ.(0)

1

270 NSF20 net sf/occupant

(12)18 STOR.

60 GSF300 gsf/occ.

(0)1

STAIR60"

(300)

67"(447)300

STAIR 2STAIR60"

(300)

67"(447)300

STAIR 1STAIR60"

(300) 67"(447)300

Combination674

3 Exits Required

SPEECH130 NSF

20 net sf/occ.(4)8

OT200 NSF

20 net sf/occupant(8)10

6000 NSF7 net sf/occupant

(100 sports/550 assembly)857

Combination867

3 Exits Required

GYM STORAGE300 GSF

300 gsf/occ.(0)

1

GYM OFFICE110 NSF

15 Nsf/occ.(1)8

PT340 NSF

20 net sf/occupant(8)17

EM. EL.

99"660

67"447

67"447

67"447

EXIT TOPUBLIC WAY

EXIT TOPUBLIC WAY

UP UP

DNUP

RD

RD

CLASSROOM

CHASE

CHASE

CHASE

UP

1/16'' = 1' - 0''

1G0.02

First Floor Occupancy and Egress Capacity Analysis

UP

UP

CAFETERIA

ART

STO.

PLATFORMELEV.

E.M.R.

DRY STOR.

CUSTODIALWORKSHOP/

STORAGE

TRASH

KITCHENSERVICE

KIT.OFF.

CUST.OFF.

RECEIVING

SPRINKLERROOM

EMERG.GEN.

ELECTRICROOM

MECHANICALROOM

COR

ELEC.

MUSIC

PRACTICE

CORRIDOR

ART

CORRIDOR

MEDIACENTER

WORKROOMOFFICE

EL.

STAFFLUNCH ROOM

TITLE 1OFFICE

TLT.STO.

ELEC.OFFICE

PRIN.OFFICE

CONF.ROOM

COPYROOMSTO.

GEN. OFFICE OFFICE

OFFICE

TOILET

WAITING

ST.WAITING

EXAM

CORRIDOR

VEST

VEST

VEST

STAIR 3

STAIR 1

UNEXCAVATEDLOADING DOCK

NURSE

GIRLS

BOYSLOBBY

RAMP

CAFETERIASTORAGE

CORR

RAMP

CORRIDOR

617 GSF50 Gsf/occupant

(4)13

133 GSF100 Gsf/occupant

(3)2

164 GSF100 gsf/occupant

(3)2

213 GSF15 nsf/occupant

(7)14

157 GSF100 gsf/occupant

(5)2

250 GSF100 gsf/occupant

(6)3

314 GSF15 nsf/occupant

(12)21

3606 NSF50 nsf/occupant

(73)73

230 GSF100 gsf/occupant

(1)3

243 GSF15 nsf/occupant

(10)17

447 GSF100 gsf/occupant

(9)5

1237 NSF20 nsf/occupant

(46)62

97 NSF20 nsf/occupant

(3)5

Combination67

2 Exits Required

120 GSF300 gsf/occupant

(0)1

1200 NSF20 nsf/occupant

(23)60

Combination61

2 Exits Required

4140 NSF7 nsf/occupant

(dining 380/assembly 350)592

Combination672

3 Exits Required

244 GSF300 gsf/occupant

(0)1

1028 NSF15 nsf/occupant

(60)69

1810 NSF200 gsf/occupant

(4)10

1152 GSF300 gsf/occupant

(2)4

586 GSF300 gsf/occupant

(2)2

300 GSF300 gsf/occupant

(1)1

180 GSF300 gsf/occupant

(1)1

280 GSF300 gsf/occupant

(1)1

408 GSF300 gsf/occupant

(2)2

90 GSF100 gsf/occ

(1)1

100 GSF100 gsf/occ

(1)1

Combination8

2 Exits Required

STAIR 2STAIR60"

(300)

67"447

EXIT TOPUBLIC WAY

EXIT TOPUBLIC WAY

67"(447)300

Combination876

3 Exits Required

67"447

EXIT TOPUBLIC WAY 33"

220

EXIT TOPUBLIC WAY

67"447

67"447

67"447

67"447 RAMP

67"447

EXIT TOPUBLIC WAY

33"220

280 GSF300 gsf/occupant

(1)1

UP

TLT. NETWORKTELECOM RM

TLT.

Stairways(inches per occupant)

Other egress components

(inches per occupant)Occupancies Group E 0.2 0.15

WITH SPRINKLER SYSTEM

OCCUPANCY

Table 10-2: Egress Width Per Occupant Served (780 CMR Section 1005.1 exception 2)

Table 10-3: Exit Access Travel Distance (780 CMR Table 1016.1)

Occupancy Without Sprinkler System (feet)

With Sprinkler System (feet)

A, E, F-1, I-1, M, R, S-1 200 250

Table 10-5: Minimum Number of Exits for Occupant Load (780 CMR Table 1021.1)

Occupant Load Minimum Number of Exits (per story)

1-500 2501-1,000 3

More than 1,000 4

Table 10-6: Number of Exits by Floor for Occupant Load

FloorOccupant

LoadMinimum Number

of ExitsNumber of Exits

ProvidedTotal Capacity of Exits Provided

First 990 4 7 2,008Second 1,533 4 6 2,241Third 668 3 3 900

Fixture Requirements PopulationNumber of Required Fixtures

Number of Fixtures Provided

StudentsElem Students - Female 1 water closet / 30 384 13 14

1 lavatory / 60 384 7 8

Elem Students - Male 1 water closet / 60 384 7 8 1 urinal / 60 384 7 8 1 lavatory / 60 384 7 8

Elementary Students 1 drinking fountain /75 students 768 11 11Staff note (a)

Female 1 water closet / 20 59 3 7 1 lavatory / 40 30 1 4

Male 1 water closet / 25 0 note (a) 1 lavatory / 40 30 1 3

Community Use for Assembly - Cafetorium * (or majority fraction therof) 350 / 2

Female 1 water closet / 200 175 1 3 lavatories - note (b) 175 1 2

Male 1 water closet / 600 175 1 1 1 urinal / 200 175 1 2 lavatories 1/200 - note (b) 175 1 2

Community Use for Assembly - Gymnasium * (or majority fraction therof) 550 / 2

Female 1 water closet / 200 225 2 3 lavatories - note (b) 225 2 2

Male 1 water closet / 600 225 1 1 1 urinal / 200 225 2 2 lavatories 1/200 - note (b) 225 2 2

Other Fixtures PE Office Shower 0 0 1 1 service sink / floor 3 3

(a ) This project provides unisex toilets for staff toilets. For the purpose of calculating the number of required unisex toilets, the calculation will be based on the higher female watercloset count.

(b) Lavatories are not specifically referred to by the Massachusetts Plumbing Code in this provision, but the International Plumbing Code recommends lavatories at the rate of 1 per 200.

Table 248 CMR 10-2: Minimum Facilities for Building Occupancy - Use Group Educational (Based on 248 CMR 10.10 (18): Table 1)

Table 10-1: Occupant Load (780 CMR Table 1004.1.1)

Floor Use SF / Person Area Occupant Load by Table

Actual Number of

Occupants 1

Design Occupant

Load 2

First Cafetorium (Assembly-Chairs Only-unfixed) 7 net 4,140 NSF 592 350 592Platform 15 net 1,028 NSF 69 60 69Cafeteria Storage 300 gross 244 NSF 1 1 1Kitchen 200 gross 1,810 NSF 10 4 10Music/Practice 20 net 1,334 NSF 67 46 67Nurse/Exam 50 gross 617 GSF 13 4 13 Art 20 net 1,200 NSF 60 23 60Media Center 50 net 3,606 NSF 73 73 73Guidance 100 gross 266 GSF 3 6 6General Office/Waiting 100 gross 447 GSF 5 9 9Staff Lunch 15 net 314 NSF 21 12 21Conference 15 net 243 NSF 17 10 17Custodial Workshop 100 gross 743 GSF 8 2 8Custodian Office 100 gross 89 GSF 1 2 2Trash 300 gross 408 GSF 1 2 2Mechanical/Electrical 300 gross 1,912 GSF 7 6 7Prinicipal 15 net 244 GSF 17 7 17 Records/ Duplicating 100 gross 190 GSF 2 2 2 Network Telcom 100 gross 230 GSF 3 1 3 Title 1 Offices 100 gross 407 GSF 5 11 11 Total First Floor Occupant Load 975 631 990

Second Classrooms 20 net 10,248 NSF 513 300 516Teacher Workroom 15 net 370 NSF 25 24 25 SPED 20 net 2,570 NSF 129 73 129Gym (Assembly - Chairs Only - unfixed) 7 net 6,000 NSF 858 550 858 Storage 300 gross 272 GSF 1 0 3PE Office 100 gross 110 GSF 1 1 1Gym Storage 300 gross 150 GSF 1 0 1 Total Second Floor Occupant Load 1,528 948 1,533

Third SPED 20 net 2,733 NSF 137 73 138Classrooms 20 net 10,248 NSF 513 300 516Teacher Workroom 15 net 100 NSF 7 12 12Storage 300 gross 142 GSF 1 2 2Total Third Floor Occupant Load 658 387 668

(1) Actual number (1004.1.1) - The actual number of occupants for whom each occupied space, floor or building is designed.

(2) Design Occupant Load (1004.1) - In determining means of egress requirements, the largest number of occupants computed in accordance with Sections 1004.1 through 1004.9.

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