vault backup: 2026-05-12 17:00:33

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2026-05-12 17:00:33 -04:00
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---
title: 303 Mariposa Residence
tags: []
up: "[[conest-projects]]"
---
# 303 Mariposa Residence
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@@ -12,19 +12,27 @@ up: "[[pdi-estimating]]"
The role of ConEst is to provide context to Bid estimates.
## ConEst Processes
## Roles
### ConEst Estimator
### ConEst Senior Estimator
### ConEst Manager
## Processes
* [[design-build-budget]]
* [[full-takeoff]]
## ConEst Deliverables
## Deliverables
* [[pdi-project-start-notification]]
## ConEst Terminology
## Terminology
* [[pdi-estimating-systems]]
## ConEst Expectations
## Expectations
* [[estimator-skills]]
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@@ -25,6 +25,10 @@ In precast slab garages, use EMT.
## Receptacles
> [!important]
> Receptacle symbols are not standard.
> Always check the electrical legend.
## Floor Boxes
`COMMON ASSEMBLIES`/`FLOOR BOXES`/...
@@ -47,10 +51,21 @@ even where serving Amenity spaces.
## Mechanical Connections
### General
`COMMON ASSEMBLIES`/`MECHANICAL CONNECTIONS ...`/...
When using length-based assemblies use adders per [[feeders-takeoff]].
%% TODO
#### PVC Connection Assemblies
#### Flex
[[wiring-method-selection#Liquidtight Flex]]
%%
### Stair Pressurization Fans
Assume branch circuit conductors must be protected
@@ -60,17 +75,27 @@ per [[fire-resistive-wiring-methods-takeoff]].
#### Unit Condensing Units
##### Homeruns
* `Area` = _Match unit_
.../`CONDENSOR HOME RUNS`
* **Horizontal:** Distance from load center to FCU.
(~50ft expected)
* **Vertical:** floor-to-floor distance from FCU to CU
| Level | Horizontal | Vertical | Length |
|:-------- | ----------:| --------:| ------:|
| :------- | ---------: | -------: | -----: |
| Level 01 | 150 | 40 | 190 |
| Level 02 | 150 | 30 | 180 |
| Level 03 | 150 | 20 | 170 |
| Level 04 | 150 | 10 | 160 |
Put homeruns on the `Area` of the dwelling unit.
Put connections on the `Area` of the CU.
##### Connections
.../`CONDENSOR HOME RUNS`
* `Area` = _Match CU (usually roof)_
.../`CU CONDENSER SLEEVE W/ FLEX - NO HMRN WIRE`
@@ -92,7 +117,7 @@ Max 20 disconnects per rack
`DISTRIBUTION`/`TRAPEZE RACK SUPPORT ...`/`...`
### Trash Chute
## Trash Chute
1. **Horizontal:**
@@ -106,7 +131,7 @@ Max 20 disconnects per rack
Takeoff: `COMMON ASSEMBLIES`/`MISC ASSEMBLIES`/`TRASH CHUTE RISER CIRCUIT...`
* **Length** = average floor to floor height
### Fire/Smoke Dampers
## Fire/Smoke Dampers
[[fire-alarm-takeoff#Fire/Smoke Dampers (FSD's)]]
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@@ -8,13 +8,21 @@ up: "[[electrical-construction]]"
See [[emergency-communications-systems]]
for non-fire-alarm systems.
## Fire Command Center (FCC)
## Terminology
### Fire Command Center (FCC)
> [!info] Also Known As
> Emergency Command Center (ECC)
> Fire Alarm Command Center (FACC)
> Fire Alarm Command Room (FACR)
### Devices
* **Initiating** -- pull stations, smoke detectors, etc.
* **Notification?** -- horns, strobes, etc.
* **Ancillary** -- relay modules, flow switches, tamper switches, etc.
## System Interconnection
A fire alarm system will include connections to other systems
@@ -26,8 +34,6 @@ as necessary to mitigate hazards:
* Lighting:
bring dimmed fixtures to full brightness
## Devices
## Resources
* **Initiating** -- pull stations, smoke detectors, etc.
* **Notification?** -- horns, strobes, etc.
* **Ancillary** -- relay modules, flow switches, tamper switches, etc.
* [MeyerFire](https://www.meyerfire.com/)
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@@ -15,6 +15,9 @@ For circuits requiring fire protection,
it may be acceptable to assume a rated chase,
or concrete-encasement can fulfill this requirement.
* RHW-2 insulated conductors in conduit --- "Lifeline Cable"
* 2-hour rated metal clad cable --- "Vitalink"
If "Lifeline" (cable-in-conduit) cable is used,
utilize EMT-Comp assemblies.
@@ -21,14 +21,14 @@ tags:
### Chapter 4 \[CE\] Commercial Energy Efficiency
* [[iecc_c401|C401 General]]
* [[iecc_c402|C402 Building Envelope Requirements]]
* [[iecc_c403|C403 Building Mechanical Systems]]
* [[iecc_c404|C404 Service Water Heating]]
* \[\[iecc_c401|C401 General]]
* \[\[iecc_c402|C402 Building Envelope Requirements]]
* \[\[iecc_c403|C403 Building Mechanical Systems]]
* \[\[iecc_c404|C404 Service Water Heating]]
* [[iecc_c405|C405 Electrical Power and Lighting Systems]]
* [[iecc_c406|C406 Additional Efficiency Requirements]]
* [[iecc_c407|C407 Total Building Performance]]
* [[iecc_c408|C408 Maintenance Information and System Commissioning]]
* \[\[iecc_c406|C406 Additional Efficiency Requirements]]
* \[\[iecc_c407|C407 Total Building Performance]]
* \[\[iecc_c408|C408 Maintenance Information and System Commissioning]]
### Chapter 5 \[CE\] Existing Buildings
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@@ -6,12 +6,10 @@ daily: "[[2026-01-02]]"
---
# 2026-01-02 10:10:18
### Harborside Plaza 4
### Harborside Plaza 4 TODO
%% [[harborside-plaza-4]]
TODO list for [[harborside-plaza-4]]
#### TODO
* [ ] [[electrical-takeoff|Electrical]]
* [x] [[electrical-takeoff|Electrical]]
* [x] [[telecom-takeoff#Backbone Riser|Telecom Backbone]]
* [x] [[distributed-antenna-systems-takeoff|DAS]]
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@@ -23,7 +23,7 @@ that there must be some limit to the logic of "covering it",
since it is always within our power to add contingency,
and especially because---if anything---
I feel that our procedures tend towards
the upper end of reasonable ECI.
the _upper_ end of reasonable ECI.
(see [[value-of-information.jpg]])
My response was not well formulated.
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@@ -34,11 +34,11 @@ Type I and II construction.
> otherwise use PVC if possible.
> [!important]
> Note that MC cable may be forbidden for this application.
>
> > [!quote] Hampton Roads Navy UH - Newport News, Project Specifications
> > MC cable shall not be allowed for wiring to mechanical equipment
> > except for within the dwelling units.
> Note that MC cable may be forbidden for this application.[^1]
[^1]: > [!quote] [[hampton-roads-navy_newport-news|Hampton Roads Navy UH - Newport News]], Project Specifications
> MC cable shall not be allowed for wiring to mechanical equipment
> except for within the dwelling units.
### EMT Connections
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@@ -15,9 +15,8 @@ each with 12 isolated bays.
The buildings are about 70ft long,
with all runs less than 100ft.
I asked [[joel-jansen]] if it would be necessary
I asked [[joel-jansen|Joel]] if it would be necessary
to use minimum 10 AWG
as is [[conest|ConEst]] standard
for [[pdi-breakdowns#Bid Item Garage|Garage]].
as is [[conest|ConEst]] standard for [[pdi-breakdowns#Bid Item Garage|Garage]].
He said it would not be,
and confirmed 12 AWG is acceptable in this case.
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@@ -12,11 +12,16 @@ Direction from [[joel-jansen|Joel]]
[[telecom-takeoff#Corridor Conduit (IDF to Unit MSDE)]]
It is acceptable to use a weighted average length
It is acceptable to use a weighted average of subfeed length
in a "Typical - All Units"
in lieu of individual takeoffs per floor.
## Unit Condensing Units
[[electrical-takeoff#Unit Condensing Units]]
For [[electrical-takeoff#Unit Condensing Units|unit CU takeoff]], in most cases
the horizontal length should **not** be the subfeed length,
but the distance from the unit panel to the indoor unit.
This assumes the riser can be routed up an interior wall,
rather than a single chase for all units (worst case)
assumed by the subfeed length heuristic.
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@@ -0,0 +1,148 @@
---
id: 2026-05-12T09:15:34-0400
title: 2026-05-12 09:15:34
tags: []
daily: "[[2026-05-12]]"
---
# 2026-05-12 09:15:34
## Hilltop Gardens Review and Closeout
[[conest-senior-review]] and [[conest-manager-review]]
for [[hilltop-gardens]]
with [[josh-ford]] filling in for [[joel-jansen|Joel]].
### Florida Considerations
#### Building Codes
8th Edition Florida codes (2023)
are based on 2021 I-Codes.
#### Site Poles
Expect direct burial poles in Florida.
Southeast and Florida exclude concrete in proposals,
Florida usually considers site pole foundations excluded in this,
Southeast does not.
#### Construction Type and Wiring Method Selection
South Florida gardens may be concrete for hurricane resistance
but [[ibc-construction-types#Type III Combustible|type III construction]].
Romex is allowed in this case.
#### Automatically Controlled Receptacles
Florida Building Code does not require automatically controlled receptacles
* [ ] investigate
#### Fire Alarm Inspections
South Florida fire alarm inspections are conducted at night:
+20% of fire alarm budget for overtime.
### 520Hz Smoke Detectors
The 120V 520Hz smoke detectors qualified in the proposal
are limited source (Home Depot).
No change to takeoff necessary.
Josh changed the name and pricing of the item in the extension.
### Post-Tensioned Slab Considerations
In a 6in post-tensioned slab
other than fixture branch and floorboxes
may not be feasible to run in deck,
especially subfeeds.
### Site Misc
In the WBS,
1 (Site) does not have EL or FA breakdowns.
Site EV chargers, Fire Alarm Loop
go in Site Misc.
### Rigid Elbows for Secondaries
PVC elbows in secondaries
* [x] check if intentional
* Elbows were RMC, the takeoff name was not changed.
### Panel Schedule Error
EV charger breakers were erroneously shown as 20A on some panel schedules.
(Should be 80A)
### Fixture Branch Length
Fixture branch length tighter for Gardens.
Josh shortened some 20fts to 15ft.
### Material Pricing
Re-extend all before supplier link.
### Josh's Review Strategy
Check middle and end
beginning is likely to be rough:
asking questions
refining
Expecting significant [[pdi-bid-estimating|Bid]] to ConEst delta in slab work.
branch length per opening
openings per unit
Unit sqft * 1.5
800sqft unit = 1200ft cable per unit
in whole job, not just unit.
"True Garden" feeders about \$150 per unit.
This is not a "true Garden".
### Bid Sheet
See Bid Sheet for actual values.
[[corwin-fluit]] updates the Bid Sheet quarterly.
The Bid Sheet was initially a temporary measure for COVID.
Usually large delta in units if "Unit Tabulation" sheet is not utilized.
### Breakdowns for Remote Horn/Strobes in Units
Remote strobes in units were erroneously taken off in `System` = "EL - Electrical".
The correct `System` is "FA - Fire Alarm".
[[units-takeoff]] had the correct direction for this case at the time of takeoff,
but I was not meaningfully consulting the note.
### Labor Plan
Count of bathroom exhaust fans per unit
is usually one less than smokes
Do not consider data outlets in above openings per unit.
Labor Plan:
"Amenity" is Interior Amenity.
Put Exterior Amenity in "Other".
Excavation is covered by site work increase labor factor.
Calculators/Prefab calculator
Firestopping: \$35 per unit
Colorado: \$75 per unit
Permits: Percent of Contract Value
Palm Beach, Florida: 1.1%
Miami, Florida: 1.0%
Miami Beach, Florida: 1.9%
Equipment: 0.75% to 1.00% of Selling Price
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@@ -173,10 +173,12 @@ For ADA units:
##### Additional Signaling Devices
* `System` = "FA - Fire Alarm"
* `System` = "FA - Fire Alarm"[^3]
`COMMON ASSEMBLIES`/`FIRE ALARM & DAS SYSTEMS`/`INDICATING DEVICES WITH WIRE - FREE AIR`/`INDOOR HORN STROBE - FREE AIR`
[^3]: [[2026-05-12_09-15-34#Breakdowns for Remote Horn/Strobes in Units]]
#### Hospitality
* `System` = "FA - Fire Alarm"
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@@ -18,13 +18,15 @@ Scripts by others tend to beg questions of edge cases.
It's my intent that if a rule holds in _all_ cases,
even the super special one you're thinking I didn't consider,
that I specifically say so.
If I didn't say so, and your edge case is not covered,
**If I didn't say so,**
**and your edge case is not covered,**
**you should seek clarification.**
%%
## Wire Material Selection
[[pdi-estimating]] preference is to use aluminum conductors
[[pdi-estimating]] preference is to use aluminum conductors.
If [[pdi-bid-estimating|Bid]]'s proposal sells aluminum 100A and larger
use aluminum for grounds, even if the feeder schedule uses copper.[^1]
@@ -80,7 +82,7 @@ may only be used where they will be concealed from view.
May require rigid stub-ups in certain cases,
which could make EMT more cost-effective.
Consult with the Senior Construction Estimator in this case.
Consult with your [[conest#ConEst Senior Estimator|senior]] in this case.
> [!important]
> Be careful of ambiguous terminology in specifications and PDI proposals:
@@ -99,47 +101,51 @@ PVC in-slab may not be utilized for precast slabs.
Conduits may only be routed through slabs of thickness
at least 3 times the outer diameter of the conduit.
| Conduit Size | Minimum Slab Thickness (in) |
| ------------:| ---------------------------:|
| 1/2" | 3.0 |
| 3/4" | 3.5 |
| 1" | 4.0 |
| 1-1/4" | 5.0 |
| 1-1/2" | 6.0 |
| 2" | 7.5 |
| 3" | 9.0 |
| 2-1/2" | 10.5 |
| 3-1/2" | 12.0 |
| 4" | 13.5 |
| 5" | 17.0 |
| 6" | 20.0 |
| Conduit Size | Minimum Slab Thickness |
| ------------:| ----------------------:|
| 1/2" | 3.0 in |
| 3/4" | 3.5 in |
| 1" | 4.0 in |
| 1-1/4" | 5.0 in |
| 1-1/2" | 6.0 in |
| 2" | 7.5 in |
| 3" | 9.0 in |
| 2-1/2" | 10.5 in |
| 3-1/2" | 12.0 in |
| 4" | 13.5 in |
| 5" | 17.0 in |
| 6" | 20.0 in |
#### Shear Walls
[[construction-methods#Shear Walls|Shear Walls]]
Shear walls, like those around stairwells and elevator shafts,
[[construction-methods#Shear Walls|Shear walls]],
like those around stairwells and elevator shafts,
may be routed through with special permission.
#### Post-Tensioned Slabs
Raceway considerations for
[[construction-methods#Post-Tensioned Slab|post-tensioned slabs]],
[[construction-methods#Post-Tensioned Slab|post-tensioned slabs]]
(namely if PVC may be utilized, and if so, what sizes)
are contentious.
are contentious.[^2][^3][^4]
> [!cite] [[joel-jansen]] 2025-08-15, in reference to [[belle-meade-plaza|Belle Meade Plaza]] (pp.)
[^2]: > [!cite] [[joel-jansen]] 2025-08-15, in reference to [[belle-meade-plaza|Belle Meade Plaza]] (pp.)
> No affect on takeoff. Routing in slab still possible.
> [!cite] [[joel-jansen]] 2025-08-21, in reference to [[belle-meade-plaza|Belle Meade Plaza]] (pp.)
[^3]: > [!cite] [[joel-jansen]] 2025-08-21, in reference to [[belle-meade-plaza|Belle Meade Plaza]] (pp.)
> PT slabs do have some affect on takeoff.
> 3in conduit can not be run in an 11in PT slab.
[^4]: [[2026-05-12_09-15-34#Post-Tensioned Slab Considerations]]
#### Pan Deck Slabs
[[construction-methods#Pan Deck Slab|Pan Deck Slab]]
Raceway considerations for
[[construction-methods#Pan Deck Slab|pan deck slabs]]
(namely if PVC may be utilized, and if so, what sizes)
are contentious.[^5]
> [!cite] [[joel-jansen]] 2025-08-15, in reference to [[belle-meade-plaza|Belle Meade Plaza]] (pp.)
[^5]: > [!cite] [[joel-jansen]] 2025-08-15, in reference to [[belle-meade-plaza|Belle Meade Plaza]] (pp.)
> Do not route in slab.
### MC Cable Overhead
@@ -165,12 +171,12 @@ may only be used where they will be concealed from view.
#### Multi-Circuit Homeruns
Different schools of thought exist
on whether to use multi-neutral MC or pipe and wire for homeruns.
on whether to use multi-neutral MC or pipe and wire for homeruns.[^6]
Which is more cost-effective
is apparently subject to transient market conditions.
Seek clarification from your senior on a job by job basis.
> [!quote] Art Baldwin (pp.)
[^6]: > [!quote] Art Baldwin (pp.)
> Multi-circuit MC is not cost-effective
> when considering the difficulty of rework.
> Use conduit, even EMT if necessary.
@@ -186,7 +192,10 @@ but may not be acceptable.
> These are usually only mentioned in specifications
> to say that they are unacceptable.
[[2025-10-15_09-32-00#Vanderbilt Central Neighborhood Residential College Spec Interpretation]]
Where only set-screw fittings with two screws are permitted
no change to takeoff is necessary.[^7]
[^7]: [[2025-10-15_09-32-00#Vanderbilt Central Neighborhood Residential College Spec Interpretation]]
## Standard Outdoor Wiring Methods
@@ -235,7 +244,9 @@ flowchart
C -- Yes --> NM/SER
```
#### Fire Rated Feeders
## Other Considerations
### Fire Rated Feeders
Where required see [[fire-resistive-wiring-methods-takeoff]].
@@ -245,5 +256,12 @@ in a 2-hour rated assembly.
This usually requires no change to takeoff for high-rises
since electrical riser rooms are themselves fire-rated.
* RHW-2 insulated conductors in conduit --- "Lifeline Cable"
* 2-hour rated metal clad cable --- "Vitalink"
### Liquidtight Flex
* [[nfpa-70_356_lfnc|Liquidtight Flexible Nonmetallic Conduit: Type LFNC]] --- "Carflex"[^8]
* [[nfpa-70_352_lfmc|Liquidtight Flexible Metal Conduit: Type LFMC]] --- "Sealtite"[^9]
[^8]: From Carflex®, manufactured by Carlon.
[^9]: From Anaconda Sealtite®, manufactured by ANAMET Electrical.