Calculate the fire flow and duration required for a 60m by 120 m five story building. The structure is of fire-resistive construction with all interior vertical opening protected to preclude the spread of flames. Consider thatrestoration of the building included the installation of an automatic sprinkler system. The current occupancy isclassified as having a high fire hazard. This building is well separated from other buildings in the area, except onone side where the separation is 20 meters.

1. Required Fire Flow: 87.84 L/min2. Fire Duration: 120 minutesExplanation:Step 1: To calculate the…

Answered: Calculate the fire flow and duration…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Air Leakage and Ventilation Problem: Blower Door Test A blower door test was conducted during an ecoENERGY audit on a leaky old 1920’s solid masonry house in Toronto. The results indicated that the house experienced 7.28 ACH (air changes per hour) at 50 Pascals of de-presurization. The house measures 12m wide by 10m long, and 8m tall (above grade) and 3m below grade depth. The attic was sealed off during the test and can be ignored. If the house is heated with electricity at a total cost of $0.10/kWh, calculate the cost of the uncontrolled air leakage, accounting for both heating the air (sensible heat) and the humidification (latent heat) under an every- day pressure difference caused by wind and stack effect, over the month of January (31 days). To convert the 50 Pascal air leakage rate to a normal every-day pressure air leakage rate, several wise building scientists suggested taking 5% of the 50 Pascal leakage as a reasonable approximation. Assume the indoor conditions to be 20oC…
8. Determine the effective height of a stack needed to keep the maximum ground level ambient air concentration below 10 ug/m³ from a source that emits 12 g/s of NQin a rural area with wind speed 4 m/s measured at the stack height, and moderately stable air.
what is the minimum general lighting load for an 8000 square foot auditorium
Chapter 7 DOZER PRODUCTION EFFICIENCY GIVEN D9N Dozer (Fig. 7.14) Move 2000 LCY Distance - 400 ft. (Fig. 7.14) Grade – 1% uphill (Table 7.2) Material – Loose stockpile (Table 7.2) • Operator Skills - Excellent (Table 7.2) Actual Time Working - 50 min/hr (Efficiency) Operator Technique - slot dozing (Table 7.2) Visibility – N/A (Table 7.2) Material Weight- 2100 lb/CY (standard weight is 2300. Divide 2300 by material weight to get the factor) Transmission - Direct drive (Table 7.2) Dozer Blade - Straight blade D9N Book Efficiency (Fig. 7.14) X above factors = Actual Efficiency Factors: grade x material weight x operator x type material x operator technique x visibility x efficiency x transmission x type blade Efficiency x Factors = ActuaI Efficiency = LCY/HR.
Please answer the questions in the picture provided, make sure you provide all of your work and explain each step. Use ASCE 7-16 as a reference to guide you to solve this problem. Thank you for your help!
A point source Gaussian plume model for a power plant uses 50 m as the effective stack height. You are concerned about pollutant levels at night, and the night is typically fully overcast with a wind speed of 5 m/s. Your concern in with ground-level pollution at two house locations, A and B, which are 1.2 and 1.4 km directly downwind from the stack. (a) At what distance will the maximum concentration of pollution occur under these conditions? Which location (A or B) would have the higher level of pollution?(b) Suppose during the day the sky clears up, and the atmosphere becomes moderately unstable, and the wind speed stays around 5 m/s. Will the location downwind at which the maximum concentration occurs move? If so, will it move closer to the stack or further away from the stack? (H remains 50 m). (c) Under the new conditions in part b, which house would experience the most pollution?
Please solve the question in the picture, make sure you show all of your work and steps you make. Thank you for your help
A paper plant is proposed for a location 1 km upwind from a town. It will emit 40 g/s of hydrogen sulfide, which has an odor threshold of about 0.1 mg/m3. Assume that winds at 10 m above ground are 2.5 m/s, and at the effective stack height they typically vary from 4 – 10 m/s blowing toward the town. If it is summer day with a few broken clouds, What stack height should be used to assure concentrations are no more than 0.1 times the odor threshold at the near edge of town (1 km away)? To be conservative, the stack will be designed assuming no plume rise. Will any buildings (e.g., the country cabin or the doghouse on the far edge of town) experience higher concentrations than a residence at the 1 km boundary? Briefly explain your answer.

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