diff --git a/.obsidian/backlink.json b/.obsidian/backlink.json new file mode 100644 index 0000000..48ee913 --- /dev/null +++ b/.obsidian/backlink.json @@ -0,0 +1,3 @@ +{ + "backlinkInDocument": true +} \ No newline at end of file diff --git a/.obsidian/zk-prefixer.json b/.obsidian/zk-prefixer.json new file mode 100644 index 0000000..4d6c53a --- /dev/null +++ b/.obsidian/zk-prefixer.json @@ -0,0 +1,3 @@ +{ + "format": "YYYY-MM-DD_HH-mm-ss" +} \ No newline at end of file diff --git a/distribution-equipment.md b/distribution-equipment.md new file mode 100644 index 0000000..67b2f9d --- /dev/null +++ b/distribution-equipment.md @@ -0,0 +1,22 @@ +--- +id: +aliases: [] +tags: [] +title: Distribution Equipment +--- +# Distribution Equipment + +## Company Switch + +> [!info] Also Known As +> * Theatrical Switchboard +> * Stage Switchboard + +![[company-switch.png|500x625]] + +Company switches are lighting control equipment +unique to performance venues +like those subject to [[nfpa-70_520_theaters]] + +> [!cite] NEC Article 520.2 +> ![[nfpa-70_520_theaters#Stage Switchboard.]] diff --git a/electrical.md b/electrical.md index 170fc8d..eee3702 100644 --- a/electrical.md +++ b/electrical.md @@ -41,6 +41,8 @@ By PDI convention, [[lighting-controls]] are generally "Electrical", not "Lighti #### Floor Boxes +##### Poke-Thru's + #### Mechanical Connections `COMMON ASSEMBLIES`/`MECHANICAL CONNECTIONS ...`/ diff --git a/estimating-culture.md b/estimating-culture.md index 84a7583..fc9545d 100644 --- a/estimating-culture.md +++ b/estimating-culture.md @@ -68,13 +68,13 @@ In ours, [[gut-feel]] dominates decision making. [[estimator-calibration]] [[ai-in-estimating]] -* Be competent with every tool available to you. -* Always assume there is a better way to complete a given task. - Making estimation more efficient and enjoyable requires a unified effort by estimators to embrace the statistical aspects of our field. +* Be competent with every tool available to you. +* Always assume there is a better way to complete a given task. + ## Incentives I strongly oppose any project-based incentive structure for estimators. diff --git a/gold-plating.md b/gold-plating.md index e625fa1..cd1c844 100644 --- a/gold-plating.md +++ b/gold-plating.md @@ -27,7 +27,13 @@ such cases quickly reveal every error of assumption made by the estimator. > such that they would have to employ an electrician > to determine whether it had been taken. -Often, such issues are VE'd out of scope before award. +Such issues are usually VE'd out of scope before award. +It often goes that projects are designed in gold, +but built in cardboard. + +Clients tend to want the highest end-- +and design firms are incentivized to provide-- +but seeing the bill tends to reorganize priorities. For some owners, though, money is no object, and standardization is far more important diff --git a/nfpa-70_520_theaters.md b/nfpa-70_520_theaters.md index 75222ed..d0ef67e 100644 --- a/nfpa-70_520_theaters.md +++ b/nfpa-70_520_theaters.md @@ -11,3 +11,98 @@ tags: title: "Article 520: Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations" --- # Article 520: Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations + +## Part I. General + +### 520.1 Scope. + +This article covers all buildings or that part of a building or structure, indoor or outdoor, designed or used for presentation, dramatic, musical, motion picture projection, or similar purposes and to specific audience seating areas within motion picture or television studios. + +### 520.2 Definitions. + +The definitions in this section shall apply only within this article. + +#### Adapter. + +A device used to adapt a circuit from one configuration of an attachment plug or receptacle to another configuration with the same current rating. + +#### Border Light. + +A permanently installed overhead strip light. + +#### Breakout Assembly. + +An adapter used to connect a multipole connector containing two or more branch circuits to multiple individual branch-circuit connectors. + +#### Bundled. + +Cables or conductors that are tied, wrapped, taped, or otherwise periodically bound together. + +#### Connector Strip. + +A metal wireway containing pendant or flush receptacles. + +#### Drop Box. + +A box containing pendantor flush-mounted receptacles attached to a multiconductor cable via strain relief or a multipole connector. + +#### Footlight. + +A border light installed on or in the stage. + +#### Grouped. + +Cables or conductors positioned adjacent to one another but not in continuous contact with each other. + +#### Performance Area. + +The stage and audience seating area associated with a temporary stage structure, whether indoors or outdoors, constructed of scaffolding, truss, platforms, or similar devices, that is used for the presentation of theatrical or musical productions or for public presentations. + +#### Portable Equipment. + +Equipment fed with portable cords or cables intended to be moved from one place to another. + +#### Portable Power Distribution Unit. + +A power distribution box containing receptacles and overcurrent devices. + +#### Proscenium. + +The wall and arch that separates the stage from the auditorium (house). + +#### Solid-State Phase-Control Dimmer. + +A solid-state dimmer where the wave shape of the steady-state current does not follow the wave shape of the applied voltage, such that the wave shape is nonlinear. + +#### Solid-State Sine Wave Dimmer. + +A solid-state dimmer where the wave shape of the steady-state current follows the wave shape of the applied voltage such that the wave shape is linear. + +#### Stage Equipment. + +Equipment at any location on the premises integral to the stage production including, but not limited to, equipment for lighting, audio, special effects, rigging, motion control, projection, or video. + +#### Stage Lighting Hoist. + +A motorized lifting device that contains a mounting position for one or more luminaires, with wiring devices for connection of luminaires to branch circuits, and integral flexible cables to allow the luminaires to travel over the lifting range of the hoist while energized. + +#### Stage Switchboard. + +A permanently installed switchboard, panelboard, or rack containing dimmers or relays with associated overcurrent protective devices, or overcurrent protective devices alone, used primarily to feed stage equipment. + +#### Stage Switchboard, Portable. + +A portable rack or pack containing dimmers or relays with associated overcurrent protective devices, or overcurrent protective devices alone that are used to feed stage equipment. + +#### Stand Lamp (Work Light). + +A portable stand that contains a general-purpose luminaire or lampholder with guard for the purpose of providing general illumination on the stage or in the auditorium. + +#### Strip Light. + +A luminaire with multiple lamps arranged in a row. + +#### Two-Fer. + +An assembly containing one male plug and two female cord connectors used to connect two loads to one branch circuit. + diff --git a/pre-takeoff-research.md b/pre-takeoff-research.md index 887ef8c..e5b46c6 100644 --- a/pre-takeoff-research.md +++ b/pre-takeoff-research.md @@ -73,4 +73,3 @@ Wiring devices and their wall plates are a common target of [[gold-plating]]. [^1]: Specification section titles and scope may vary greatly between projects. The examples provided are not an exhaustive list. - diff --git a/purpose-of-construction-estimating.md b/purpose-of-construction-estimating.md index e90f9ad..7bccd7c 100644 --- a/purpose-of-construction-estimating.md +++ b/purpose-of-construction-estimating.md @@ -18,8 +18,6 @@ which would take far longer than allotted for bid, -**Bid estimates are not intended to be accurate _individually_.** - This is a dangerous superstition which encourages unproductive conflict. @@ -31,8 +29,13 @@ not intended for the purpose, ### For the Solicitor -* Determine feasibility of functional requirements. - (see [[gold-plating]]) +#### System Coordination + + + +#### Determine Feasibility of Functional Requirements + +See [[gold-plating]]. ### For the Contractor diff --git a/reverend-william-h-alexander.md b/reverend-william-h-alexander.md index 44f78b4..d776715 100644 --- a/reverend-william-h-alexander.md +++ b/reverend-william-h-alexander.md @@ -1,7 +1,11 @@ --- id: aliases: [] -tags: [] +tags: + - authorship/other + - destiny/uncertain + - status/incomplete + - topic/other title: Reverend Dr. William Hamilton Bill Alexander --- # Reverend Dr. William Hamilton Bill Alexander @@ -15,7 +19,7 @@ He is the likely originator of the "sharpen the axe" quote frequently misattributed to Abraham Lincoln. The earliest citation for a similar quote -is this second hand account of a 1944 speech by Alexander, +is this second hand account of a 1944 speech by Alexander: > [!quote] "Radio Church Ads Poor"[^1] > On preparation he urged his hearers to study and prepare themselves, @@ -28,8 +32,9 @@ is this second hand account of a 1944 speech by Alexander, ## Death -lamenting the imminent demolition of the [William Alexander Youth Center](https://okcmod.com/architecture/endangered/william-alexander-youth-center/), -but the newspaper they cited was paywalled, +[This article](https://okcmod.com/architecture/endangered/william-alexander-youth-center/) +lamenting the imminent demolition of the William Alexander Youth Center +had lots of details, but the newspaper they cited was paywalled, so I transcribed [[1960-04-04_durant-daily-democrat|a different one]]. ## Legacy diff --git a/switchgear.md b/switchgear.md index 41469f6..2c8a2c3 100644 --- a/switchgear.md +++ b/switchgear.md @@ -10,27 +10,7 @@ title: Switchgear --- # Switchgear -## Info - -### Special Equipment - -#### Company Switches - -> [!info] Also Known As -> * Theatrical Switchboards -> * Stage Switchboards - -![[company-switch.png|500x625]] - -Company switches are lighting control equipment -unique to performance venues -like those subject to [[nfpa-70_520_theaters]] - -> [!cite] NEC Article 520.2 -> **Stage Switchboard.** -> A permanently installed switchboard, panelboard, or rack -> containing dimmers or relays with associated overcurrent protective devices, -> or overcurrent protective devices alone, used primarily to feed stage equipment. +[[distribution-equipment]] ## Sequence @@ -104,6 +84,7 @@ Add `DISTRIBUTION FITTINGS`/`GENERATOR SET UP`. #### Generator Connection Cabinets Use a Distribution Panel of equal amps. +Or a transfer switch. #### Transfer Switches @@ -111,11 +92,8 @@ Use a Distribution Panel of equal amps. ##### Transfer Switches 1200A+ -Use 1200A MTS/ATS, and add: - -* ==CA.33.14.AMPS== -* Factor 1 = 3 -* ==Delete 1200A== +Use 1200A and add an additional `TRANSFER SWITCH` item +to make up the remaining amps. #### Meter Centers diff --git a/the-failure-of-risk-management.md b/the-failure-of-risk-management.md index 1280325..2eca016 100644 --- a/the-failure-of-risk-management.md +++ b/the-failure-of-risk-management.md @@ -116,27 +116,29 @@ evaluated as the mean squared error of their forecasts. ### Luck Looks Like Skill -> Chapter 7 p.154 - -Hubbard describes a study which concluded that, -given the number of German pilots and their overall victory/defeat figures, -there was a ~30% chance an individual would achieve The Red Baron's record -_by luck alone_. +> [!cite] Chapter 7 p.154 (pp.) +> Hubbard describes a study which concluded that, +> given the number of German pilots and their overall victory/defeat figures, +> there was a ~30% chance an individual would achieve The Red Baron's record +> _by luck alone_. He later refers to the popular tendency to overvalue competence and undervalue luck in the role of achieving improbable accomplishments as the "Red Baron effect". +This the unstated other half of the **law of large numbers**, +that improbable events become likely with increased sampling. + How many success stories are simply cases of winning a coin flipping tournament? ### Qualitative Labels are Problematic -> [!example] p. 170 +> [!example] p. 170 (pp.) > Experts do not agree on the bounds of terms expressing probability. > "Likely" vs. "Very Likely" -> [!example] p. 182 +> [!example] p. 182 (pp.) > risk matrix type bucketing tends to inflate the significance of small risks. ### There's Always Enough Data diff --git a/the-story-of-ymar.md b/the-story-of-ymar.md index 6608f36..6d6a996 100644 --- a/the-story-of-ymar.md +++ b/the-story-of-ymar.md @@ -8,7 +8,8 @@ tags: - status/incomplete title: The Story of Ymar description: | - An excerpt from Chapter 17 of _The Shadow of the Torturer_ by Gene Wolfe, with my analysis in comment blocks. + An excerpt from Chapter 17 of _The Shadow of the Torturer_ by Gene Wolfe, + with my analysis in comment blocks. --- # The Story of Ymar