Sanctuary

Sanctuary is a quest and achievement/trophy in Fallout 4.

Quick walkthrough

 * 1) Talk to Sturges
 * 2) Build five beds from the workshop
 * 3) Report to Sturges
 * 4) Provide clean water to the residents by building the water pump
 * 5) Speak to Sturges
 * 6) Grow some crops up
 * 7) Speak to Sturges
 * 8) Create guard posts or turrets until there is (maximum water) + (maximum food) defence (Actually, the number might simply be 8. When with mw+mf=11, the objective was fulfilled by building medium machinegun turret (defence value 8)
 * 9) Speak to Sturges

Quest stages

 * Build beds
 * Get clean water
 * Grow crops
 * Fix settlement defences