| House Construction Product | |||||||||||||
| Data on activity network | Parameters of PERT distributions | Event times | |||||||||||
| Activity | Code | Numeric index | Predecessors | Min | Most likely | Max | Implied mean | Duration[1] | Duration+[2] | Node | Event time[3] | Event time+[4] | |
| Plans | A | 1 | None | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.084 | 1 | 0 | 0 | |
| Site Plan Survey | B | 2 | A | 3.4 | 4 | 5.6 | 4.167 | 4.167 | 4.167 | 2 | 2.083 | 2.084 | Plans |
| Permits | C | 3 | B | 3.4 | 4 | 5.6 | 4.167 | 4.167 | 4.167 | 3 | 6.250 | 6.251 | Site Survey |
| Site Work/Tree Removal | D | 4 | C | 8.5 | 10 | 14 | 10.417 | 10.417 | 10.417 | 4 | 10.417 | 10.418 | Permits |
| Foundation | E | 5 | D | 5.95 | 7 | 9.8 | 7.292 | 7.292 | 7.292 | 5 | 20.833 | 20.834 | Site Work |
| Plumbing - Slab | F | 6 | E | 2.55 | 3 | 4.2 | 3.125 | 3.125 | 3.125 | 6 | 28.125 | 28.126 | Foundation |
| Survey - Foundation | G | 7 | E | 3.4 | 4 | 5.6 | 4.167 | 4.167 | 4.167 | 7 | 32.292 | 32.293 | Slab, Survey, Water |
| Waterproofing | H | 8 | E | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 8 | 34.375 | 34.376 | Grade-Backfill |
| Grading Backfill | I | 9 | F,G,H | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.083 | 9 | 35.417 | 35.418 | Gravel Basement |
| Gravel Basement | J | 10 | I | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 10 | 36.458 | 36.459 | Termite |
| Termite Protection | K | 11 | J | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 11 | 39.583 | 39.584 | Basement Slab |
| Basement Slab | L | 12 | K | 2.55 | 3 | 4.2 | 3.125 | 3.125 | 3.125 | 12 | 50.000 | 50.001 | Frame |
| Framing | M | 13 | L | 8.5 | 10 | 14 | 10.417 | 10.417 | 10.417 | 13 | 51.042 | 51.043 | Fireplace Rough |
| Fireplace- Rough | N | 14 | M | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 14 | 52.083 | 52.084 | Roof |
| Roofing/Shingles | P | 16 | M | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.083 | 15 | 54.167 | 54.168 | Plumb |
| Plumbing- Rough | O | 15 | P | 3.4 | 4 | 5.6 | 4.167 | 4.167 | 4.167 | 16 | 54.167 | 54.168 | Windows |
| HVAC - Rough | Q | 17 | N,O | 4.25 | 5 | 7 | 5.208 | 5.208 | 5.208 | 17 | 57.292 | 57.293 | Exterior Trim |
| Exterior Trim/Siding | R | 18 | P | 4.25 | 5 | 7 | 5.208 | 5.208 | 5.208 | 18 | 58.333 | 58.334 | Steel |
| Windows & Doors | S | 19 | P | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.083 | 19 | 58.333 | 58.334 | Prime Exterior |
| Steel-Brick | T | 20 | R,S | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 20 | 59.375 | 59.376 | HVAC |
| Electrical - Rough | U | 21 | Q | 2.55 | 3 | 4.2 | 3.125 | 3.125 | 3.125 | 21 | 62.500 | 62.501 | Electrical |
| Prime Exterior | V | 22 | R,S | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 22 | 63.542 | 63.543 | Security Rough |
| Masonry | W | 23 | T,V | 8.5 | 10 | 14 | 10.417 | 10.417 | 10.417 | 23 | 64.583 | 64.584 | Insulation |
| Security - Rough IN | X | 24 | U | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 24 | 68.750 | 68.751 | Masonry |
| General Site Cleanup | Y | 25 | CC | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 25 | 69.792 | 69.793 | Brick Clean |
| Insulation - Batts | Z | 26 | X | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 26 | 70.833 | 70.834 | Site Clean up |
| Septic Tank/Sewer Line | AA | 27 | Y | 2.55 | 3 | 4.2 | 3.125 | 3.125 | 3.125 | 27 | 70.833 | 70.834 | Roof Flash |
| Utility Connections | BB | 28 | AA | 4.25 | 5 | 7 | 5.208 | 5.208 | 5.208 | 28 | 70.833 | 70.834 | Shutters |
| Brick Clean | CC | 29 | W | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 29 | 73.958 | 73.959 | Sewer |
| Drywall | DD | 30 | W,Z | 6.8 | 8 | 11.2 | 8.333 | 8.333 | 8.333 | 30 | 75.000 | 75.001 | Water |
| Water Line | EE | 31 | AA | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 31 | 79.167 | 79.168 | Drywall |
| Roofing - Brick Flashing | FF | 32 | CC | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 32 | 79.167 | 79.168 | Utilities |
| Shutters | GG | 33 | CC | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 33 | 80.208 | 80.209 | Fireplace-F |
| Grading - Final | HH | 34 | EE | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.083 | 34 | 81.250 | 81.251 | Grade Final |
| Driveway | II | 35 | HH | 4.25 | 5 | 7 | 5.208 | 5.208 | 5.208 | 35 | 82.292 | 82.293 | Hardwood-F |
| Guttering | JJ | 36 | II | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.083 | 36 | 83.333 | 83.334 | Cabinets |
| Deck | KK | 37 | II | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 37 | 84.375 | 84.376 | Cultured Marble Tops |
| Wrought Iron Railing | LL | 38 | II | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 38 | 86.458 | 86.459 | Driveway |
| Fireplace -Final | MM | 39 | DD | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 39 | 87.500 | 87.501 | Deck |
| Hardwood Flooring - Rough | NN | 40 | MM | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.083 | 40 | 87.500 | 87.501 | Wrought Iron Rail |
| Cabinets & Vanities | OO | 41 | NN | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 41 | 88.542 | 88.543 | Interior Trim |
| Interior Trim | PP | 42 | OO | 4.25 | 5 | 7 | 5.208 | 5.208 | 5.208 | 42 | 88.542 | 88.543 | Gutters |
| Cultured Marble Tops | 43 | OO | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 43 | 89.583 | 89.584 | Garage Doors | |
| Ceramic Tile | RR | 44 | PP,QQ | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.083 | 44 | 90.625 | 90.626 | Ceramic Tile |
| Garage Doors | SS | 45 | PP | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 45 | 91.667 | 91.668 | Painting Exterior |
| Painting - Exterior | TT | 46 | JJ,LL,SS | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.083 | 46 | 95.833 | 95.834 | Paint Interior |
| Painting - Interior | UU | 47 | RR,SS | 4.25 | 5 | 7 | 5.208 | 5.208 | 5.208 | 47 | 96.875 | 96.876 | Hardware Interior |
| HVAC - Final | VV | 48 | UU | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.083 | 48 | 97.917 | 97.918 | HVAC Final |
| Hardware - Interior | WW | 49 | UU | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 49 | 97.917 | 97.918 | Plumbing Final |
| Clean - Windows | XX | 50 | TT,WW | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 50 | 98.958 | 98.959 | Appliances |
| Plumbing - Final | YY | 51 | UU | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.083 | 51 | 98.958 | 98.959 | Light Fixtures |
| Appliances | ZZ | 52 | VV,WW | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 52 | 99.917 | 99.918 | Clean Windows |
| Light Fixtures | AAA | 53 | VV,WW | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 53 | 102.083 | 102.084 | Electrical Final |
| Electrical - Final | BBB | 54 | VV,WW,ZZ,AAA | 2.55 | 3 | 4.2 | 3.125 | 3.125 | 3.125 | 54 | 103.125 | 103.126 | Insulation Blown |
| Security - Final | CCC | 55 | BBB | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 55 | 103.125 | 103.126 | Security-Final |
| Insulation - Blown | DDD | 56 | BBB | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 56 | 104.167 | 104.168 | Wallpaper |
| Landscaping | EEE | 57 | KK,BBB | 2.55 | 3 | 4.2 | 3.125 | 3.125 | 3.125 | 57 | 105.208 | 105.209 | Landscaping |
| Survey - Final | FFF | 58 | EEE | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 58 | 106.250 | 106.251 | Survey Final |
| Wallpaper | GGG | 59 | BBB | 1.7 | 2 | 2.8 | 2.083 | 2.083 | 2.083 | 59 | 106.250 | 106.251 | Power Wash |
| Hardwood Flooring - Final | HHH | 60 | CCC,DDD,EEE,GGG | 3.4 | 4 | 5.6 | 4.167 | 4.167 | 4.167 | 60 | 109.375 | 109.376 | Hardwood-Final |
| Mirrors | III | 61 | HHH | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 61 | 110.417 | 110.418 | Mirrors, Shower Door |
| Shower Enclosures | JJJ | 62 | HHH | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 62 | 111.458 | 111.459 | Carpet, Vinyl |
| Flooring - Carpet | KKK | 63 | III,JJJ | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 63 | 112.500 | 112.501 | Trim Punch Outs |
| Flooring - Vinyl | LLL | 64 | III,JJJ | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 64 | 113.542 | 113.543 | Clean-Pre-Final |
| Trim - Punch Outs | MMM | 66 | KKK,LLL | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 65 | 116.667 | 116.668 | Paint-Touch Ups |
| Cleanup - Pre-Final | NNN | 65 | MMM | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | 66 | 117.708 | 117.709 | Clean Final |
| Paint - Touch Ups | OOO | 67 | NNN | 2.55 | 3 | 4.2 | 3.125 | 3.125 | 3.125 | 67 | 122.917 | 122.918 | Punch list Items |
| Power Wash Exterior | PPP | 68 | EEE | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | ||||
| Clean - Final | QQQ | 69 | OOO,PPP | 0.85 | 1 | 1.4 | 1.042 | 1.042 | 1.042 | ||||
| Punch List Items | RRR | 70 | QQQ | 4.25 | 5 | 7 | 5.208 | 5.208 | 5.208 | ||||
| Index of activity to increase[5] | 1.000 | ||||||||||||
| Increase in project time?[6] | 1 | ||||||||||||