Misc Flashcards by Sarah Zamler

Sensible heat (dry bulb)

Thermometer measured heat

How well did you know this?

Not at all

Perfectly

Latent heat (wet bulb)

Includes moisture level in the temperature

How well did you know this?

Not at all

Perfectly

Enthalpy

Amount of energy required to move both wet and dry bulb at the same time to goal temp/humidity

How well did you know this?

Not at all

Perfectly

Sling psychrometer

Tool to measure water in air

How well did you know this?

Not at all

Perfectly

Transmission calc

= U x A x dT

Temp difference

How well did you know this?

Not at all

Perfectly

How slab heat transmissions is calculated

Length of edge

How well did you know this?

Not at all

Perfectly

Total heat loss per hour

= transmission + infiltration + ventilation
Btu/ h

How well did you know this?

Not at all

Perfectly

How well did you know this?

Not at all

Perfectly

Percent that the design temperature should cover

99% or 99.4% of days should be within the design temperature

How well did you know this?

Not at all

Perfectly

Three types of common hydronic types

Radiators
Fin tub
In floor

How well did you know this?

Not at all

Perfectly

Typ min distance between supply and return air

6’

How well did you know this?

Not at all

Perfectly

4 loops common in AHUs

Heat rejection

Refrigerant

Chilled water

Airside

How well did you know this?

Not at all

Perfectly

Direct expansion, no chilled water loop

How well did you know this?

Not at all

Perfectly

DX RTU

Cost effective for mall, big box

Roof top unit contains heat rejection cooling tower and refrigerant loop

Requires big vertical shafts for air side loop

Shorter lifespan 12-15 years

How well did you know this?

Not at all

Perfectly

DX in unit

Requires mechanical room per each unit, flexible, no chilled water loop

Heat rejection through cooling tower

AHU with just refrigerant loop

Airside through ducts

How well did you know this?

Not at all

Perfectly

Fan coil units

Good for buildings with areas of varying demand

Fan coils are airside, chilled water loop runs through them

Heat rejection through cooling tower on roof

Refrigerant loop in basement

How well did you know this?

Not at all

Perfectly

Chiller

Most basic system

AHU & ducts are airside, chilled water loop runs through them

Heat rejection through cooling tower on roof

Refrigerant loop in basement

How well did you know this?

Not at all

Perfectly

How well did you know this?

Not at all

Perfectly

Rule of thumb for cfm per sf

1 cfm per 1 sf

How well did you know this?

Not at all

Perfectly

Two types of masonry walls

Barrier
Cavity

How well did you know this?

Not at all

Perfectly

Typ depth of char

3/4”

How well did you know this?

Not at all

Perfectly

Bond beam

Special shaped CMU that can have rebar run through and filled with grout to become a beam

How well did you know this?

Not at all

Perfectly

Cellular deck

Comp deck with a steel sheet below, increases rigidity and makes raceways

How well did you know this?

Not at all

Perfectly

Formed deck

Steel deck with concrete but not very structural
No bump in the runs

How well did you know this?

Not at all

Perfectly

Low slope roof

3:12 and less Need to switch to membrane roof

Stress skin panel

Plywood, insulation, plywood Prefab panel, can be used with heavy timber

Typ stc range

45-70

Live room

Room with a low nrc rating

NRC range

0-1

Dead room

Room with a high nrc rating

Thing to remember about elev pits

They need sump pumps to drain water

Max reached range (Ada)

15-48”

Difference between a lift and lula

Lula’s have shafts - 20’ range Lifts don’t- 14’ range Neither need full pit or head

Vapor barrier

Should be on warm side of insulation

How far can a class A fire extinguisher travel

75'

max slope before a glass is considered slopes

15deg

mech systems for reducing floor to floor in a large office building

Package terminal units Hydronic convectors Active Chilled Beams Constant Air volume

Drum trap

P trap for a bath tub

highest efficiency type of light bulb

HPS

PLunger-type hydraulic elevator

supported by the ground (instead of the shaft or penthouse), allowing for lower design costs

max height of holeless hydraulic elevator

60'

distance daylight can penetrate into a building

30'

Bus Bar

the bus bar helps with the transmission of energy, allowing for higher voltages and better transmission efficiency. Bus bars can be found in numerous applications within a PV system, including within the PV panels, between batteries in a battery bank, and within the panelboard.

type S Mortar

Maximum flex soft

Type M Mortar

for reinforced masonry where high compressive strength is required Max

Type O Mortar

Interior, non-load bearing masonry or tuck pointing not used if subject to freezing Only inside

Type N Mortar

good for non-load bearing exterior walls Neutral

Louvered overhangs

can help to free any heated air that could build up under the eaves and heat the roof Helps prevent ice damning

airflow management system from atriums in event of fire

Single purpose smoke exhaust system

most likely cause of ice damming

inadequate attic ventilation

Jalousie Window

Venting window, louvers

Issuing changes in bidding

Addendum

Construction change directive

When a change order can’t be agreed to, it’s an agreement to mediate the issue later but continue the work

Alternates

Things that contractors should bid the plus/minus cost of the change

Allowance

Assumed total that is being carried for a category

things that should go in before ceiling grid

full height partition walls, ductwork runs, electrical conduit

things that should be decided in DD

elevator type structural system mechanical system

best parking garage layout for small sites

split level

components of environment impact studt

Physical Features Biological Features Cultural Features

bid form

instruction to bidders

project manual includes

bid form addenda contracts supplemental conditions (hours of operations, recycling, etc) CSI specifications

3 part spec sections

part 1 - general part 2 - products part 3 - Execution

general spec sections

are submittals required? samples? storage? warranties

product spec sections

manufacturers, are substitutions allowed?

execution spec section

what prep is required? what temperature requirements are there? installation instructions protection

types of specs

proprietary performance

what type of spec will yield the best deal

performance

outline specification

only things that are necessary, good for single family house, small commercial, etc repeat collaboration

spec prioritization

can do a full spec for only certain things things likely to get wrong expensive materials (elevator) major components (windows) unconventional uses client priorities

how to tag changes in the project manual

list it in an addendum other strategies: bulletins, memos,

contract documents

project manual and construction drawings

when to start spec writing

Start: programming or SD dd: material choices CD: full spec

tests that could be required for concrete floor

compression test slump test flatness test

Standards

UL OSHA- workplace ANSI ASHRAE

Ada

Federal law

Faa

Airplane agency- Height limit

Showing wall assembly fire compliance

UL NUMBER Tag and assemblies Diagram in G series

Things that effect egress distance allowed

Construction type Occupancy Sprinklers

Separating a building into 2

4hr separation Confirm egress etc are ok

Light and vent read

8 and 4 percent of floor area

Standard for temperature ability in HVAC

ASHRAE

Min height for outlet in accessible unit

15”

Accessory uses must be less that __ percent of the floor area of the occupied story

10%

What to do if architect and AHJ can’t reach an agreement

Request ruling from ICC

Egress stairs for 50 or more people need to be at least

44” wide

Occupancy load factor for door width

X0.2

max flush for residential toilet

1.6 gal

lumen/candela equation

Lumens = Candela × 4π

units for pressure

pascals

typical pipe size for cold water for a kitchen sink

1/2"

where are cantilevered foundations helpful

at the edge or projects sites

best type of pointing to avoid water intrusion

V shaped

best light types for high color rendering

LED, Metal Halide, Tungsten Halogen

uniform bricks

FBX

non-uniform bricks

FBA

high weather resistant bricks

non-weather resistant bricks

board foot =

12" square by 1" 144 cu in

place a perimeter drain can drain to

daylight sump pump municipal storm sewer

what is needed to calculate degree days

baseline temperature climate data (average daily temps)

measurement of a BIM model in an AIA contract

LOD (level of development)

in what phase should commissioning start

design

what connects a main distribution panel to subpanels?

feeder cables

what decibel change is perceived as half as loud

10dB

soil type subject to long term settlement

clay

height at which fire pumps are required

400+ feet

rule of thumb for when you need 2 exits

50+ occupants

door inches per occupant

0.3 for NS 0.2 for S

best way to reduce low frequency transmission

add mass, like filling cmu with sand

where does the circuit vent go

Between the last fixture in sequence and next downstream fixture

where should expansion joints be located

at or near changes in wall direction as they are areas more likely to experience stress and therefore movement at or near wall penetrations, such as doors or windows, and also at connections of the wall to other dissimilar materials, such as curtain walls.

requested alternate

bidders must provide prices for the base spec and alternated

vapor retarder in cold climate

interior side of insulation

vapor retarder in warm climate

outside of insulation

best position to penetrate a beam

middle

strike type for panic bar

jamb mounted

Misc Flashcards

(119 cards)