Bulletin #1 cost sheet, 7 WTC OEM, Sep 1998

NYC 9/11 Public Portal Document

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Sheetl

MAYOR'S OFFICE OF EMERGENCY MANAGEMENT 7 WORLD TRADE CENTER______________________ NEW YORK

BULLETIN #1 (HURRICANE WALL-A)

Ambassador's DCAS Ambassador's Description of work Cost Cost Revised Cost

1 Additional labour and framing for new duct openings $5,600 $4, M $4,

2 Patch Twenty two (22) existing columns $3,500 $2,800 $2,800

3 Add 24 LF of Hurricane wall thru columns $13,900 $7,000 $9,000

4 Add one layer of sheetrock on 200LF of Hurricane wall $4,300 $4,300 $4,300

5 Deletion of top of wall approximately 300LF ($14,000) ($26,550) ($18, ')

6 F8il 201 pieces of 8"x8"x1/2" steel plate reinforcement at 19 blast proof access doors and 7 blast proof doors $14,835 $13,750 $13,750

7 Remove existing column fronts at 19 locations $2,500 $1,750 $1,750

8 Leak detection system adiitional cost $11,975 $0 $0

9 Electrical work on Hurricane damper 22 locations $21,800 $17,600 $20,700

10 Additional steel 3"x3"x 5/16" welded to spandrel $16,765 $11,250 $14,800

11 Additional work on Hurricane dampers duct to duct refabricating and install new duct at 4 locations $8,644 $5,200 $8,212

12 Additional work on Hurricane dampers and fire/smoke dampers 15 locations; refabricating and installing new duct $32,415 $25,000 $30,794

13 Hurricane damper with flexible connections at 5 locations $7,689 $6,200 $7,305

14 Hurricane damper with grill at 32 locations $27,743 $27,743 $26,356

15 Hurricane damper above wall at 32 locations $61,565 $56,454 $58,487

16 Ruskin dampers Model #CD80AAF4 with 45" water gauge static pressure 88each $64,800 $52,800 $61,560

17 10"x10" architectural grills 32 each $4,800 $0 $4,560

18 Vavcon Hurricane damper actuator in duct work $37, M $20,000 $35,150

19 Credit original amount in budget for hurricane wall dampers ($40,000) ($59,000) ($40,000)

Sub-total $285,831 $170,297 $245,524 General conditions 8% $22,866 $13,624 $19,642 Sub-total $308,697 $183,921 $265,166 I Fee 6% $18,522 $11,035 $15,910 Sub-total $327,219 $194,956 $281,076 Insurance 1.25% $4,090 $2,437 $3,513

TOTAL $331,310 $197,393 $284,589

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